Search by “Title” N O P Back to:- All Surveys
| Cave Survey | Club Publication | Additional Information |
| N | ||
| NA 0122/NA 0135 | Bristol EC. Belfry Bull. | Thailand |
| Nos. 152, 153, 553, 559 | ||
| Shepton Mallet CC. Jour. Ser. 13 No 4 | ||
| Nacimiento de Rio Cortines | CRG-Trans. Vol. 13 No 1` | |
| Nacimiento del Poco Aguanaz | Cave Diving G. News. | Spain |
| Nagelsteghohle | Cambridge UCC. Underground 1977 | Austria |
| Nahr el Kelb (Jeita Cave) | Wessex CC. Jour. No 50 | Lebanon |
| Naihehe Cave | Craven PC. | Fiji |
| Najdena Jama | Yorkshire SS, No 3 | Slovenia |
| Shepton Mallet CC. Ser. 10 No 7 | ||
| Nase Jame | ||
| CDG, News., No. 25 | ||
| Nakimu Caves | Canadian Caver No 4, Vol 8 No 1 | Canada |
| Speleologist No 9 | ||
| Bradford PC. Bull. Vol 4 No 10 | ||
| Wessex CC. Jour. No 114 | ||
| Nall Grove Mine | Descent | Derbyshire |
| Namibia | International Caver No 11 | Namibia |
| Nancy Camel’s Hole | Mendip Caving G. News. No 377 | Shepton Mallet |
| Nandan River System | National Speleological Society (USA) | China |
| Nannup Cave | Westminster SG. Bull. Vol 9 No 3 | W. Australia |
| Nant Gain Cave (Cilcain Cave) | Book B663 | NE Wales |
| Nant Glas, Caves of | ISCA Jour. 1 | |
| Bristol EC. Belfry Bull. 340 | ||
| Brit. Caver Vol 21 | ||
| Nant Maelor Caves & Tunnel | ISCA | Gwent |
| Nant-Y-Cria Lead and Zinc Mine | Gloucester SS. News. July/Aug ’76 | Cardiganshire |
| Nape Well Cave | Cave Diving G. News. | Appletreewick |
| Craven PC. Record No 102 | ||
| Napps Cave | Wm. Pengelly, | Barrynarbor |
| Shepton Mallet CC | ||
| Napps Quarry Cave | Dorset CC. News. Vol 2 No 2 | North Devon |
| Wm. Pengelly Tr. News. No 38 | ||
| Shepton Mallet CC. Jour. Ser. 12 No 6 | ||
| Napra | BCRA-Trans. Vol 12 No 1 | Russia |
| Nare | Caving International No. 10 | Papua New Guinea |
| Untamed River Expedition 1988 | ||
| Nare River Cave | Caving International No 10 | Papua New Guinea |
| Descent 64, 65 | ||
| Untamed River Expedition 1988 | ||
| Natty Gully Cave | CRG-Trans. Vol. 9 No 1 | Jamaica |
| Natural Arch Series | Grampian SG. Bull. Vol 2 No 2 | Argyll |
| Natural Bridge Caverns (Tunnel) | National Speleological Society (USA) | USA |
| Guidebook No 19 | ||
| BCRA Trans. Vol 15 No 1 | ||
| Nauag Kha Laing | Shepton Mallet CC. Jour. Ser 13 No 10 | Myanmar |
| Navvy Noodle Hole | B1005 | |
| Nazarovskaya – Osennyaya | Book B237 | USSR |
| Nazoglhohle | Book B892 | |
| Near Vana Cave | National Speleological Society (USA) | USA |
| Nearcliff Wood Rift | Moldywarps SG, No 7 | Yorkshire |
| Yorkshire SS, No 1 | ||
| Nebelhohlen | Northern Caving Vol 1 No 4 | Germany |
| Speleologist No 1 | ||
| Nedre Gaulstadgrotten | SWETC | Norway |
| Nedre Svartvannsgrotten | CRG-Trans. Vol. 8 No 1 | Norway |
| Needlehouse Gill Cave | Gritstone C. Jour. No 6 | Wild Boar Fell |
| BCRA Trans. Vol 43 No 1 | ||
| Neffs Canyon Cave | National Speleological Society (USA) | Utah |
| News. Vol 47 No 5, Vol 30 No. 1 | ||
| Nenthead, Mines in the area of | GCC | Nenthead |
| Peak Dist. Mines HS. Vol 9 No 1 | ||
| Westminster SG. Vol 9 No 7 | ||
| Descent 195 | ||
| White Rose PC. News. Vol 33 Issue 3 | ||
| Chelsea SS. News. Vol 50 No 1/2/3 | ||
| Nentsbury Haggs Mine | Separate Sheet Survey No 413, 414 | |
| Nepal | BSA Bull. No 3 | Nepal |
| BCRA Bull. No 8 | ||
| Caves and Caving No 17, 64, 68 | ||
| BCRA Trans. Vol 18 No 2 | ||
| Neptune Mine | Technical SG. No 13 | Derbyshire |
| Neptune Mine | Technical SG. No 13 | Derbyshire |
| Nervous Breakdown Cavern | Orpheus CC. The Lyre No 5 | |
| Nesmolnelvgrotta | Kendal CC. Jour. 1974 | Norway |
| Nether Hall Rising /Cave | Pete Ashmead Archive | Witherslack |
| Netherscar Cave and Pot | RRCPC, News. Vol 7 No 4, 5 | Chapel-le-dale |
| RRCPC Jour No 6 | ||
| Separate Sheet Survey 70b | ||
| RRCPC News. Vol 57 No. 3 | ||
| Nettle Pot | BSA-Bull. No 2 | Castleton |
| BSA Cave Science No 16, 18 | ||
| Bradford PC, Bull. Vol 6 No 6 | ||
| Derbyshire CA, News. No. 65 | ||
| Descent 77 | ||
| Separate Sheet Survey 296, 380, 382 | ||
| BSA Caves and Caving Vol 1 No 1 | ||
| Westminster SG. Bull. Vol 6 No 7 | ||
| Orpheus CC. News. Vol 6 No 7 | ||
| Eldon PC. Vol 7 No 3 | ||
| Caves of Northern Derbyshire Part 1 | ||
| Castleton Caves – Book B720 | ||
| Brit. Caver Vol 24, 52, | ||
| Book B1006 | ||
| Nettlebed Cave | Caving International No. 4, 13 | New Zealand |
| Descent 65, 237 | ||
| Caves and Caving No 52 | ||
| Book B1049 | ||
| Never Fear Mine | BSA Cave Sci. No 36 | |
| New Balch Cave | Mendip Caving G. | |
| Descent | ||
| New Banwell Cave | MES (BC) | Mendip |
| New Cave | RRCPC Jour. 11 | Easegill |
| New Cave | Wessex CC. Jour. No 113 | Eastwater |
| New Dun Mine | Gloucester SS. Jour. Vol 1 No 3 | |
| New Garreg Boeth Vein | Grosvenor CC. News. No 52 | Hendre |
| New Goydon Pot | Craven PC. Jour. Vol 2 No 2. 3. | Nidderdale |
| ULSA, Review 8, 13 | ||
| Cambridge Uni. CC, Underground 1983 | ||
| Separate Sheet Survey 177, 192 | ||
| BCRA-Speleology, Issue 8 | ||
| Cave Diving G. News. | ||
| Brit. Caver Vol 28 | ||
| Descent 167 | ||
| Cave Diving G. – North. Sump Index | ||
| Chelsea SS. News. No 112 | ||
| Caves and Caving No 10 | ||
| New Guinea | Craven PC. Record 148 | New Guinea |
| New Hall Pots | BCRA-Trans. Vol 7 No 3 | Jamaica |
| New Level Mine Cave | Moldywarps SG. Jour No 4 | |
| New Littondale Pot | Speleologist No 10 | |
| New Oxlow Cavern | BSA-Cave Sci. No 77 | |
| BSA-Bull. No 77 | ||
| New Pasture Cave | BSA-Bull. No 3 | |
| Brit. Caver Vol 57 | ||
| Northern CC. No 3 | ||
| New Rake, shaft on | Descent 195 | Derbyshire |
| Technical SG. No 19 | ||
| New St.Michael’s Cave | BSA-Cave Sci. No 7 | Gibraltar |
| Oxford Uni. CC | ||
| New Venture Mine / Cavern | Shef. Uni. SS. Vol 2 No 1 | Derbyshire |
| New Year Pot / Rocky Pot | Northern Pennine C, Jour. 1982 | Fountains Fell |
| Manchester Uni. SS Jour No 5 | ||
| New Zealand | Speleologist No 6 | |
| Craven PC. Jour. Vol 2 No 3, 6, | ||
| Vol 3 No 2, 5, | ||
| Vol 4 No 1, Vol 5 No 6. | ||
| Craven PC. Record 103 | ||
| Chelsea SS. News. Vol 4 No 1 | ||
| Vol 7 No 5, | ||
| Vol 10 No 12, | ||
| Shef. Uni. SS. Jour. Vol 2 No 5, 6. | ||
| International Caver No 4, 2000 | ||
| Bristol EC. Belfry Bull. No 432, 434, | ||
| 450 | ||
| Descent 77 | ||
| Yorkshire SS. No 3 | ||
| Brit. Caver Vol 112, 128 | ||
| Hereford CC. News. No 14 | ||
| Lancashire CCC. Bull. 1986 | ||
| Newberry Pots 1, 2 & 3 | Moldywarps SG. Vol 8 | Teesdale |
| Newbiggin Limestone Mine | Grampian SG. Second Ser. Vol 3 No 1 | Fife |
| Newby Moss | Kendal CC. Jour. No 5 | Newby Moss |
| Limestones & Caves of NW England | ||
| Newby Moss Cave | Descent 279 | Newby Moss |
| Newby Moss Pot | Leeds USS. Review No 4 | Newby Moss |
| White Rose PC. News. No 95 | ||
| Gritstone C. Jour. No 3, 6, 1985/86 | ||
| Bradford PC> New Ser. Bulletin 1980 | ||
| Descent 185 | ||
| Not for the Fint Hearted | ||
| Black Rose CC. Jour. No 1 | ||
| Newman Street Slocker | Bristol EC. Belfrey Bull. No 167 | |
| Newquay Cave | Grampian SG. Bull. | Newquay |
| Newton Abbot Cave | Bristol EC. Belfrey Bull. No. 123 | |
| Nguom Chiom | Bradford PC. Bull. Vol 7 No 3 | Vietnam |
| Nguom Pag Bo System | International Caver No 20 | Vietnam |
| Ni Hao Dong | China Caves Tianxin 2001-2003 | China |
| Niaux, Grotte de | Book B788 | France |
| Nick Pot | BSA-Cave Sci. Vol 1 No 1 | |
| ULSA, Review 11, 12 | ||
| ULSA Explorations Jour. 2 | ||
| Hades CC, Mag. 30 | ||
| Separate Sheet Survey 169 | ||
| Not for the faint Hearted | ||
| London UCC. Jour. 7 | ||
| Nicker Grove Mine | Descent 221 | Eyam |
| Nidd Heads Risings | Cambridge UCC, Underground 1983 | Nidderdale |
| Cave Diving G. News. No 46 | ||
| Cave Diving G. – North. Sump Index | ||
| Wessex CC. Jour. No 81 | ||
| Nidderdale | RRCPC Jour. No 1 | Nidderdale |
| Limestones & Caves of NW England | ||
| Yorkshire Underground Research T. | ||
| Report No 2 | ||
| Nidlenloch | Westminster SG, Bull. Vol 8 No 5 | Switzerland |
| Shepton Mallet CC. Jour. Ser. 8 No 10 | ||
| Niedzwiedzia Cave | Polish Caving 2009-2013 | Poland |
| Nine Barrows Swallet / Hole | Bristol EC. Belfry Bull. No. 143, 167 | Priddy |
| Separate Sheet Survey 193 | ||
| Mendip Caver | ||
| Cerberus SS Jour. Vol 13 No 1 | ||
| Wessex CC. Jour. No 113 | ||
| Nippikin Pot | Gritstone C. Jour. Vol 3 No 3 | Leck Fell |
| Nirvana & Twang Cave | Descent 140 | Dentdale |
| Nita Cein “Honey Pit” | National Speleological Society (USA) | Mexico |
| Nixloch in der Drachenwand | BSA-Cave Sci. No | Austria |
| (nowt Hole in Dragon’s Cliff) | ||
| No Business Blowing Cave | Descent 81 | USA |
| No Tul Cenote | Cave Diving G. News. | Mexico |
| Noddle End Hole | BSA-Cave Sci. No 12 | N Yorkshire |
| Moldywarps SG. Journal No 8 | ||
| Nohoch Nah Chich Cave System | National Speleological Society (USA) | Mexico |
| Nong River Cave | Craven PC. Jour. Vol 5 No 4 | Papua New Guinea |
| Separate Sheet Survey 320, 322 | ||
| Noodle End Windypit | BCRA-Trans. Vol 3 No 2 | N. Yorkshire |
| Noon’s Arch / Hole | Book B222 | Co. Fermanagh |
| Irish Speleology Vol 3 No 2 | ||
| Descent 11, 63 | ||
| Leeds USS. Review 7 | ||
| Cave Diving G. News. No 26 | ||
| Caves and Caving No 27 | ||
| Caves of Fermanagh & Caven | ||
| Noon’s Hole | Book B902 | Ireland |
| Descent 272 | ||
| Yorkshire Ramblers C. Jour. No 13 | ||
| CDG News. No 29 | ||
| Noon’s Year Eve | Descent 272 | Co. Fermanagh |
| Noraldograige | Kendal CC, Jour No 5 | |
| Craven PC. Jour. Vol 4 No 5 | ||
| North End Pot | Caves and Caving No 49 | Marble Steps Area |
| North Hill Swallet | Mendip Caving G. Vol 4 No 8 | Mendip |
| Descent | ||
| North Korea | BSA Cave Sci. No 4 | North Korea |
| North Pot | Northern CC, The Caver Vol 1 No 3 | Greenhow |
| Craven PC. Jour. Vol 2 No 5 | ||
| Craven PC. Record 147 | ||
| Separate Sheet Survey 383 | ||
| North Quarry Cave | Shepton Mallet CC. | Bridgewater |
| North West Spain | Brit. Speleo. Exped. to Cantabrian | North West Spain |
| Mountains 1965 | ||
| Oxford Uni. CC. Proceed. No 5 | ||
| Westminster SG Bull. Vol 7 No 2 | ||
| Lancaster USS. Vol 1 No 3 | ||
| Birmingham Uni. SS> Omnibuss No 5 | ||
| Manchester Uni. SS. Jour. No 7 | ||
| Manchester Unui. SS. | ||
| 1974 Exped. to N. Spain | ||
| Northern Dale Mine Shafts | Leicester & Notts. Uni. CA. | |
| Journal No 1 | ||
| Northern United Colliery | Gloucester SS. Jour. Vol 4 No 1 | |
| Northfleet Dene Holes | Brit. Caver Vol 21 | |
| Northumberland, caves of | The caves of Northumberland | Northumberland |
| – Book B903 | ||
| Norway | CRG News. No. 35, 98, 110, 111, 114, 115, | Norway |
| 125 | ||
| Leeds Uni. SS. News. No 5 | ||
| Kendal CC. Jour. 1966-67, 1967, 1969, | ||
| 1974 | ||
| Kendal CC. News. Vol 5 No 2, | ||
| . Vol 7 No 3 | ||
| Speleologist No 8, 18 | ||
| CRG Trans. Vol 11 No 1, Vol 13 No 4 | ||
| BSA Proceed. No 7 | ||
| BSA Bull. No 78 | ||
| Orpheus CC. News. Vol 5 No 8 | ||
| White Rose PC. Jour. Vol 3 No 2 | ||
| White Rose PC. News. No 101, 102 | ||
| Northern Exploration Group. | ||
| 1968 Exped. to Arctic Norway | ||
| BSA Cave Sci. Nos 17, 29, 36 | ||
| Craven PC Jour. Vol 4 No 2, Vol 6 No 5 | ||
| Gritstone C. Jour. No 4, 5, 6. | ||
| BCRA Bull. No 9, 13, 16. | ||
| BCRA Trans. Vol 7 No 2, Vol 12 No 4 | ||
| Vol 14 No 1, 3, Vol 17 No 3 | ||
| Bristol EC. Belfry Bull. No 355, 427 | ||
| Caves and Caving No 3, 18, 26, 64, 79 | ||
| Westminster SG Vol 8 No 7 | ||
| Bradford PC Bull. Vol 6 No 10 | ||
| Norsk Grotbblad | ||
| Chelsea SS. Records Vol 25 | ||
| Chelsea SS. News. Vol 44 No 2, | ||
| Vol 48 No 2 | ||
| SWETC CC. Exped to Norway 1972 | ||
| SWETC CC. Occ. Pub. No 3, 4 | ||
| SWETC CC. Speleo Vol. 3 No 2, | ||
| . Vol 16 No 1 | ||
| Yorkshire Ramblers C. Jour. No 3 | ||
| Wessex CC. Jour. No. 68, 198, 200, | ||
| 204, 324 | ||
| Not-Meridian Pot | Descent 280 | Leck Fell |
| Nottingham Sandstone Caves | Sandstone caves of Nottingham | Nottingham |
| – Book B897 | ||
| Notts Pot 1 & 2 | Bradford PC. Bull. Vol 3 No 3, 6, | Leck Fell |
| Vol 4 No 3 | ||
| Bradford PC. News. Vol 1 | ||
| Chelsea SS. News. Vol 2 | ||
| ULSA | ||
| Northern CC, The Caver | ||
| 1990, Vol 1 No 5 | ||
| Bristol EC. Belfry Bull. No. 261 | ||
| Leeds USS, Review 1 | ||
| Leeds USS, Explorations Jour. | ||
| Speleologist No 12 | ||
| Underground Adventure – Book | ||
| CRG News. No 41 | ||
| London UCC Jour. No 10 | ||
| Birmingham Uni. SS, | ||
| Omnibuss No 2, 3, 4. | ||
| Separate Sheet Survey 33, 55, 114, 115, | ||
| 399, 402, 403, 455 | ||
| Liverpool Uni. PC, | ||
| Craven PC. Jour. Vol 4 No 1, Vol 6 No 4 | ||
| Craven PC. Record No 103 | ||
| Caves and Caving No 28, 31, 68 | ||
| Northern Pennine C, Jour. Vol 4 No 1 | ||
| Cave Diving G. News. | ||
| Cave Diving G. – North. Sump Index | ||
| Orpheus CC. News. Vol 6 No 7 | ||
| RRCPC News. Vol 7 No 2 | ||
| RRCPC Jour No 10, 11 | ||
| Descent 15, 183, 185, 201, 218, 223, | ||
| 227 | ||
| Lancaster USS No 1 | ||
| Brit. Caver Vol 17, 18 | ||
| Wessex CC. Jour. No. 100 | ||
| Notts Pot II | Descent | Leck Fell |
| RRCPC, | ||
| Cave Diving G. – North. Sump Index | ||
| Noulton Mine | BSA-Cave Sci. No 36 | |
| November Hole | Bradford PC Bull. Vol 5 No 3 | Alum Pot Area |
| Separate Sheet Survey 255 | ||
| Nowt Hole in Dragon’s Cliff | BSA-Cave Sci. No | Austria |
| (Nixloch in der Drachenwand) | ||
| Nullarbor Plains, Australia | NSS News Vol 31 No 1 | Australia |
| Nutgill Stone Mines | Northern Pennine C. News. No 38 | |
| Nyrudhola | BCRA-Trans. Vol 10 No 3 | Norway |
| Nyth Bran Series | Cambrian Caving Council | Wales |
| Red Dragon Jour. No 12 |
Back to Top Link to Club Code List
| O | ||
| Oban-No-Ike-Cave | Cave Diving G. News. No | Japan |
| OBJ Hole | Lancaster USS. Bar Pot Jour. | Ingleborough |
| Northern CC. No 3 | ||
| Separate Sheet Survey 395 | ||
| Oblivion Rift Cave | Descent 257 | Longstone Edge, |
| Ocean Hole | BCRA-Trans. Vol 11 No 1 | Andros, Greece |
| Ochochpec | Canadian Caver Vol 12 No 1 | Belize |
| Ochre Pot | Northern Pennine C. Jour. 1987-2015 | Newby Moss |
| October Hole | ULSA Review 15 | Selside |
| Octopus Cave | National Speleological Society (USA) | USA |
| Oddmire Pot | Westminster SG. News. No 30 | |
| Descent 248 | ||
| Odemis Sutabani | MAD folder of Surveys | Turkey |
| Odin Mine | Shef. Uni. SS. Vol 3 No 1, 2 | Castleton |
| Lead Mining in the Peak District – Book | ||
| Descent 219 | ||
| Technical SG No 19 | ||
| Odloman Cave System | Dutch – Belgium Philippines Exped. | Philippines |
| 1989/90 | ||
| Odyssey Cave | National Speleological Society (USA) | Australia |
| Offensee Lochbachloch | Verien Fur Hohlenkunde 2007 | Austria |
| Offertalloch | Speleologica | Italy |
| Ofof Morfran | Brit. Caver Vol 63 | Pembrokeshire |
| Ogof Afon Hepse | Westminster SG. | |
| Ogof Afon Hepste | Descent 7 | |
| Westminster SG. Vol 7 No 8 | ||
| Cave Diving G. News. No 17, 26 | ||
| Cwmbran CC. Jour. No 5 | ||
| Ogof Afon Hepste | Cave Diving G. News. No 17, 25, 41 | S. Wales |
| Cwmbran CC. Jour. NO 3, 10 | ||
| Descent 9 | ||
| Westminster SG. Bull. Vol 6 No 9 | ||
| ISCA Jour. 17 | ||
| Ogof Afon Nedd Fechan | ||
| (see: Little Neath River Cave) | ||
| Ogof Agen Allwedd | (see Agen Allwedd) | |
| Ogof Ap Robert | ISCA | |
| Ogof Ben Dwr | BCRA Trans. Vol 6 No 2 | Iran |
| Ogof Blaen Crawnon | South Wales CC. News. No 70 | |
| Ogof Bwa Maen | ISCA Jour. | |
| Separate Sheet Survey 301 | ||
| Ogof Bwa Maew | Birmingham Uni. SS, Omnibuss 3 | |
| Westminster SG. Bull Vol 8 No 2 | ||
| ISCA Jour. No 17 | ||
| Ogof Caci | Chelsea SS. Vol 59 No 1/2/3 | S. Wales |
| Ogof Cadno | Red Dragon Jou. No 12 | Ystradfeltre |
| Ogof Cadno | Brit. Caver Vol 61 | Ystradfellte |
| Cambrian Caving Council | ||
| Red Dragon Jour. No 12 | ||
| ISCA Jour. No 17 | ||
| Ogof Cakin’ Fant | Bristol EC Belfrey Bull. No 362 | E Mendip |
| Ogof Capel | Descent 69, 78 | |
| Chelsea SS. Vol 29 No 11, Vol 43 No 12 | ||
| ISCA Jour. No 3, 6 | ||
| Ogof Capel | Descent | |
| Chelsea SS, News. Vol 29 No 11, 12, | ||
| Vol 43 No 12 | ||
| Cave Diving G. News. No | ||
| ISCA Jour. No 3, 17 | ||
| Ogof Capel Ddygen | Book B222 | Carmarthen |
| Ogof Carno | Cave Diving G. News. No | S. Wales |
| Ogof Carreg Lem | South Wales CC. No 97 | |
| Ogof Cas | Westminster SG. Vol 7 No 10, 12 | |
| Cave Diving G. News. No 26, 28 | ||
| Ogof Cas, area of | Westminster SG. | |
| Ogof Cefn Bythen | ISCA | |
| OGof Cfn Garn | Chelsea SS> Vol 25 No 1 | S Wales |
| Ogof Ci Coch | Brit. Caver Vol 61 | S. Wales |
| Ogof Cil Sanws | Chelsea SS. News. Vol 2 | |
| Ogof Cil Y Fran | Cwmbran CC. | Wales |
| Ogof Cil Ye Ychen | Speleologist No 1 | Carmarthen |
| Brit. Caver Vol 37, 96, | ||
| Caves of Carmarthen – Book | ||
| ISCA Jour. No 2, 16, 17 | ||
| Ogof Cil-Yr-Ychen | Book B222, | Carmarthen |
| Brit. Caver Vol | ||
| ISCA | ||
| Ogof Claisfer | Cwmbran CC. Jour. No 2 | S. Wales |
| ISCA Jour. No 17 | ||
| Ogof Claisfer | Cwmbran CC. Jour. No 2, 3 | |
| Ogof Clogwyn | Chelsea SS, News. Vol 30 No 2, | Clydach Gorge |
| Cwmbran CC. Jour. Vol 10 No 2 | ||
| ISCA, Jour. No 3, 17 | ||
| Brit. Caver Vol 26 | ||
| Ogof Clogwyn | Chelsea SS. News. Vol 1, Vol 30 No 2 | Brecon |
| Brit. Caver Vol 26, 84 | ||
| Ogof Clywedog Bach | Craven P.C. Record 145 | Rhewl, Denbighshire |
| Ogof Cnwc | Chelsea SS, News. Vol 52 No 10, 11, | S. Wales |
| Vol 53 No 1 | ||
| Ogof Cnwc-Daren Cilau | Chelsea SS. News. Vol 44 No 12, | |
| Vol 52 No 10/11 | ||
| Ogof Coed y Ffrnan | South wales CC. News. No 122 | |
| Ogof Coed Yr Mwstwr | Cwmbran CC. Jour. Vol 11 No 1 | |
| Ogof Coed Yr Mwstwr | Cwmbran CC. Jour. Vol 11 No 1 | S. Wales |
| Ogof Coeden Prop | ISCA | |
| Ogof Corryn Cawraidd | Descent 91 | S Wales |
| Ogof Craig A Ffynnon | Descent 38 | S. Wales |
| Bristol EC Belfry Bull No 367 | ||
| Brit. Caver Vol 68 | ||
| Cambrian Caving Council News. No 5 | ||
| South Wales CC. News. No 89 | ||
| Westminster SG. News. No 10 | ||
| Caves and Caving No 41 | ||
| Cerberus CC. News. Vol 8 No 2 | ||
| Separate Sheet Survey 346 | ||
| ISCA Jour. No 17 | ||
| Ogof Craig Ddu | Brit. Caver Vol 84 | |
| Ogof Craig Derwyddon | ISCA | Wales |
| Ogof Craig-a-Ffynonn | Descent | S. Wales |
| Cambrian Caving Council | ||
| Brit. Caver Vol | ||
| Caves and Caving | ||
| Separate Sheet Survey | ||
| Ogof Cwbl Hardd | Descent 95 | Ystradfellte |
| Westminster SG. Bull. Vol 9 No 7 | ||
| Ogof Cwm Hew Bweb | Westminster SG. Bull. Vol 7 No 9 | |
| Ogof Cynnes | Bristol EC. Belfry Bull. No 289 | |
| Chelsea SS. News. Vol 22 No 9 | ||
| Red Dragon Journal No 15 | ||
| Descent 112 | ||
| Yorkshire SS. No 3 | ||
| Ogof Cynnes | Descent 112 | S. Wales |
| Yorkshire SS. No 3 | ||
| Ogof Cyres | South Wales CC, News. No 66 | |
| Cambrian Caving Council | ||
| Red Dragon Jour No 15 | ||
| Ogof Dan Y Maes Parcio | Westminster SG. Bull. Vol 9 No 8 | Ystradfellte |
| Ogof Dan-y-Lleuad Wen | Descent 104, 272 | Dyfed |
| ISCA Jour. No 14, 17 | ||
| Ogof Dany Lleuad Wen | Chelsea SS. News Vol 62 No 4/5/6 | |
| Ogof Daren Cilau | Chelsea SS, News. Vol 6, | S. Wales |
| Vol 13 No 2 | ||
| Vol 26 No 12 | ||
| Vol 27 No 1, 2, 3, 4, 5, 7, 8, 9, 10, 12, | ||
| Vol 28 No 2, 6 | ||
| Vol 31 No 6 | ||
| Vol 32 No 11 | ||
| Vol 47 No 12 | ||
| Vol 51 No 2, 3 | ||
| Vol 52 No 10/11 | ||
| Vol 53 No 1 | ||
| BSA-Cave Sci, No 35, 75 | ||
| Descent 61, 63, 64, 68, 72, 75, 76, 78, | ||
| 79, 80, 184, 207 | ||
| Caves and Caving No 27, 28, 29, 33 | ||
| Bristol EC. Belfry Bull. No 435 | ||
| Hades CC, No 3 | ||
| BCRA-Speleology No | ||
| ISCA, Jour. No 5, 6, 17 | ||
| Shepton Mallet CC. Jour. Ser. 3 No 4 | ||
| Ser. 8 No 8 | ||
| Westminster SG. News. No 48 | ||
| Exped. Jour. of Llangattog Mountain | ||
| South Wales CC. News. No 116 | ||
| White Rose PC. Vol 15 No 4 | ||
| Shepton Mallet CC. Ser. 3 No 4, | ||
| Ser. 8 No 8 | ||
| Brit. Caver Vol 32, 39 | ||
| Cave Diving G. News. No 115 | ||
| Ogof Dau Gi | South Wales CC. News. No 78 | |
| Ogof Ddwy Sir | ISCA Jour. No 17 | |
| Ogof Diwedd Yr Enfys | South Wales CC, News. No 98 | |
| Ogof Dolygear | ISCA | Llanddetty |
| Ogof Draenan | Descent 119, 121, 122, 123, 124, 125, | S. Wales |
| 131, 132, 134 | ||
| Chelsea SS, News. Vol 37 Nos. 4, 5, 7, | ||
| 8, 10 | ||
| Vol 38 No 3, 12 | ||
| Vol 39 No 2, 7 | ||
| Vol 51 No 5 | ||
| Vol 56 No 3,4 | ||
| Caves and Caving No 69, 71, 77 | ||
| Separate Sheet Survey 149, 150, 151 | ||
| Westminster SG. Bull. Vol 9 No 8 | ||
| Cave Diving G. News. No, | ||
| Oxford UCC, Proceed. No 14 | ||
| BCRA-Trans. Vol 38 No 1 | ||
| Separate Sheet Survey 149, 464 | ||
| International Caver No 15 | ||
| Ogof Dulas | Yorkshire SS. No 2 | N. Wales |
| Ogof Dydd Byraff | Liverpool Uni. PC. News. Spring ’70 | |
| Speleologist No 3 | ||
| Descent 23 | ||
| Grampian SG. Bull. Vol 4 No 3 | ||
| Ogof Fach (Fechan) | Cave Diving G. News. No, 28 | |
| Separate Sheet Survey 136 | ||
| Westminster SG. Vol 7 No 8 | ||
| Ogof Fawr | Westminster SG. Bull. Vol 6 No 9, | S. Wales |
| Vol 7 No 1, 2 | ||
| Westminster SG. News. 2010/4 | ||
| Descent 14, 201 | ||
| Ogof Fechan (Fach) | Westminster SG. Bull. Vol 6 No 9, | |
| Vol 7 No 2, 4, 5, 7, 9 | ||
| Vol 8 No 1 | ||
| Vol 9 No 6 | ||
| Separate Sheet Survey 136 | ||
| ISCA Jour. 17 | ||
| Descent 14, 19 | ||
| Chelsea SS. News. Vol 48 No 11 | ||
| Ogof Ffordd Y Blaenau | ISCA Jour. No 17 | |
| Ogof Ffynnon Ddu | Bristol EC. Belfrey Bull. Nos. 120, 121, | S. Wales |
| 557, | ||
| Bradford PC. Bull. Vol 3 No 5 | ||
| Birmingham USS. Omnibuss Vol 1 No 1 | ||
| BCRA Trans. Vol 1 No 2CRG-Pub, No | ||
| Liverpool Uni. CC, | ||
| London UCC Jour. No 3, 5 | ||
| South Wales CC, 21st. Anniver. Jour. | ||
| South Wales Pub. OFD | ||
| South Wales CC. News. No 69, 70, 76, | ||
| 90, 91, 93, 100, 103, 136 | ||
| CRG – News No 41, 48, 106,117 | ||
| CRG-Pub. No 3, 6, 8 | ||
| CRG-Trans, Vol 1 No 1, 3, Vol 2 No 2 | ||
| Vol 8 No 2 | ||
| Cave Diving G. News. Nos, 24, 26, 28, | ||
| 121, 213 | ||
| Chelsea SS, News. Vol 2, Vol 22 No 5, 9 | ||
| Vol 23 No 9 | ||
| Vol 25 No 9 | ||
| Vol 61 No 1/2/3 | ||
| Craven PC. Jour. Vol 1 No 4 | ||
| Westminster SG. News. Nos 54, 55, 56, | ||
| 58 | ||
| Speleologist No 10 | ||
| Separate Sheet Survey 143, 144, 145, | ||
| 212, 213, 234, 235, 236, 237, 301, 302, | ||
| 303, 355, 356, 357,358, 359, 360, 411 | ||
| Descent 184, 278 | ||
| Orpheus CC. News. Vol 6 No 5, | ||
| Vol 7 No 6 | ||
| SWETC, | ||
| Cwmbran CC, Jour. Vol 10 No 2 | ||
| Brit. Caver Vol 11, 15, 25, 43, 49, | ||
| ISCA Jour. No 17 | ||
| Royal Forest of Dean CC. News. No. 41 | ||
| Ogof Ffynnon Haddock | Chelsea SS, News. Vol 16 No 4 | |
| Ogof Ffynnon Taf | Descent 70 | S. Glamorgan |
| ISCA Jour. No 6, 7, 17 | ||
| Ogof Ffynnon Wyntog | Chelsea SS. News. Vol. 62 Nos. 10-12 | S. Wales |
| Ogof Foel Fawr | Book B222, | Carmarthen |
| Chelsea SS, News. Vol 25 No 4 | ||
| South Wales CC, News. No 105 | ||
| Ogof Gam | Brit. Caver Vol 26 | Wales |
| BSA Proceed. No 1, | ||
| Chelsea SS. News. Vol 2 | ||
| Ogof Ganol | Brit. Caver Vol 27 | S Wales |
| Ogof Garny Bica | Chelsea SS, News. Vol | Wales |
| Ogof Garreg Fawr | Cwmbran CC. Jour. Nos. 5, 9, | S. Wales |
| Vol 10 No 2 | ||
| Descent 7 | ||
| South Wales CC. News. No 65 | ||
| Ogof Gelynnen | ISCA | |
| Ogof Glan Gwenglais | Descent 66 | Dyfed |
| ISCA Jour. No 4, 14, 17 | ||
| Ogof Glan Hepste & Tuck’s Rift | Cave Diving G. News. No 108 | S. Wales |
| ISCA Jour. No 2 | ||
| Ogof Gofan | South Wales CC. News. No 93, 95 | S. Pembrokeshire |
| Brit. Caver Vol 50 | ||
| Cwmbran CC. Jour. Vol 10 No 2 | ||
| Ogof Graig – Ffynnon | Bristol EC. Belfrey Bull. No 356 | |
| (Rock & Fountain Cave) | ||
| Ogof Gwaliau Gwynion | Chelsea SS. News. Vol 31 No 10, 12, | |
| Vol 32 No 11, 12 | ||
| Ogof Gwdihw | Uni. Bristol SS. Proceed. Vol. 16 No. 2 | Powys |
| Ogof Gwyfyn (Moth Cave) | Cwmbran CC. Jour. No 1 | |
| Ogof Gwynt Yr Eira | South Wales CC News. 2012/3 | S Wales |
| Ogof Hengoed | Caves of Carmarthen – Book | Carmarthen |
| Ogof Hepste | (See Ogof Avon Hepste) | |
| Ogof Hepste 11 | Cwmbran CC. | |
| Ogof Hesb Alun | Descent 25 | |
| Ogof Hesp Alyn | BCRA-Trans. Vol 1 No 1 | NE Wales |
| Caves and Caving No 24 | ||
| Book B663 | ||
| Bristol EC. Belfry Bull No 421 | ||
| Descent 56 | ||
| Wessex CC. Jour. No 199 | ||
| Ogof Igam-Ogm | Descent 83 | Wales |
| Ogof Isel (Lower Cave) | Brit. Caver Vol 63 | Carmarthen |
| Ogof Llungwyn | Chelsea SS, News. Vol 27 No 2 | Llangattock |
| Cambrian Caving Council | ||
| Red Dragon Jour. No 12 | ||
| ISCA Jour. No 17 | ||
| Ogof Llygad Llwchwr | Cambrian CC. Jour. No 6 | Carmarthenshire |
| ISCA Jour. No 17 | ||
| Ogof Llyn Du | Caves and Caving No 33, 36 | Clwyd |
| Separate Sheet Survey 142 | ||
| Ogof Llyn Parc | Caves and Caving No 37 | N. Wales |
| Ogof Marros | South Wales CC, News. No 132, 136 | Carmarthenshire |
| Descent 248 | ||
| Ogof Nant Hyfryd | Descent 94 | |
| ISCA Jour. No 17 | ||
| Ogof Nant Rhin | Croydon CC. | Clydach Gorge |
| Descent 111 | ||
| Bristol EC. Belfry Bull. Vol 55 No 11/12 | ||
| Pelobates No 82 | ||
| Ogof Nant Rhin | Descent | Clydach Gorge |
| Ogof Newport | Chelsea SS, News. Vol 27 No 2 | Llangattock |
| Cambrian Caving Council | ||
| Red Dragon Jour. No 12 | ||
| ISCA Jour. No 17 | ||
| Ogof Noeth | Grosvenor CC. News. No 18 | Wales |
| Ogof O’Flaln Y Waun | Westminster SG. Bull. Vol 9 No 7 | |
| Ogof O’r Herwheliwr (Poachers Cave) | Northern Pennine C. Jour. 1979 | |
| Brit. Caver Vol 71 | ||
| Ogof Pant Canol | South Wales CC, News. No 7 | S. Wales |
| Ogof Pant Y Llyn | Descent 60 | Llandbie |
| ISCA Jour. No 2, 4, 6, 17 | ||
| Red Dragon Jour. No 12 | ||
| South Wales CC. News. No 99 | ||
| Ogof Pant Y Wennol | South Wales CC. News. No 77, 78, 81 | N Wales |
| Ogof Pen Bywydd | Chelsea SS. Vol 28 No 7 | |
| Ogof Pen Cyfrwy | Descent 6 | |
| Ogof Pen Eryr | ISCA Jour. No 17 | |
| Brit. Caver Vol 43 | ||
| White Rose PC. Ser. 5 No 12 | ||
| Ogof Pen Y Craig | BCRA-Trans. Vol 10 No 1 | Cardiff, near |
| Ogof Pont Bont | Chelsea SS, News. Vol 7 No 5 | Monmouthshire |
| Ogof Pont Sychryd | Birmingham Uni. SS, Omnibuss 4 | |
| ISCA Jour. No 17 | ||
| South Wales CC. News. No 122 | ||
| Separate Sheet Survey 301 | ||
| Ogof Pont Y Meirw | ISCA | |
| Ogof Pwll Coedog | ISCA Jour. No 1 | Llangattock |
| Ogof Pwll Swnd | Brit. Caver Vol 4, 22, 41 | Carmarthenshire |
| Book B222, | ||
| ISCA Jour No 17 | ||
| South Wales C.C. Occ. Pub. | ||
| . – Our Caves No.2 | ||
| Ogof Pysgodin Gwyn | Descent 6 | |
| Cwmbran CC. Jour No 5 | ||
| Ogof Rhaedr Ddu | Descent 63 | |
| Ogof Rhedyn | ISCA | |
| Ogof Robin Goch | Cwmbran CC. Jour. No 3 | Glais Valley, Merthy |
| ISCA Jour. No 1, 17 | ||
| Ogof Rydd Sych | Speleologist No 13 | |
| Westminster SG. Bull. Vol 7 No 2 | ||
| Cwmbran CC. Jour. No 1, 2, Vol 10 No 1 | ||
| Bristol EC. Belfry Bull No 397 | ||
| Chelsea SS. News Vol 61 No 10/11/12 | ||
| Ogof Schwyll | ISCA | |
| Ogof Siani (Gas Pot) | Grosvenor CC. News. No 18 | Wales |
| Ogof Stalactidau Ddu | Descent 232 | Ystradfeltte |
| Ogof Swn Y Mor | Descent 277 | Pembrokeshire |
| Ogof T1 | Descent 218 | Merthyr Tydfil |
| Ogof Taf Fawr | ISCA Jour. No 2, 17 | |
| Ogof Tan Y Bryn | South Wales CC. News. No 81 | Llandudno |
| Ogof Tardiadd Rhymney | South Wales CC. News. No 117 | |
| Ogof Tarrddiad Pwll dyu | ISCA Jour. No 17 | |
| Ogof Trefechan | ISCA | |
| Ogof Triachwech | Westminster SG. Bull. Vol 7 No 8 | |
| Ogof Twyn Tal Draenan | South Wales CC, 50th. Anniver. Jour. | |
| Caves and Caving No 91 | ||
| Ogof Twyn Y Glog | Westminster SG. Vol 7 No 11 | |
| Ogof Twyny Gloz | Westminster SG. | |
| Ogof Uchel | Book B222 | Carmarthen |
| ISCA Jour. No 5 | ||
| Ogof Wyntog | Cwmbran CC. | S. Wales |
| ISCA Jour. No 5 | ||
| Ogof Y Cae | Book B222 | Carmarthen |
| Chelsea SS. News. Vol 48 No 3 | ||
| Ogof Y Ci | South Wales CC, News. No 68 | |
| CRG Pub. No 8 | ||
| Ogof Y Garimperiros | South Wales CC, 50th. Anniver. Jour. | |
| Ogof Y Gwnt | Grosvenor CC. News. No 40 | Wales |
| Ogof Y Nant | Brit. Caver Vol 71 | |
| Ogof Y Ychen | South Wales CC, News. No 68 | |
| Ogof Yr Eryr | Chelsea SS. Vol 27 No 10 | |
| Ogof Yr Esgyrn | Brit. Caver Vol 33, 53, 66 | Wales |
| MES | ||
| CRG Trans. Vol 1 No 4, Vol 13 No 1 | ||
| South Wales CC. News. No 89 | ||
| Book B979 | ||
| Ogof Yr Uwd Lwyd | Descent 187 | S. Wales |
| Ogof Yr Ychen | Cwmbran CC. | Caldy Island |
| South Wales CC. News. No 68, 69, 77 | ||
| Wm. Pengelly CST. News. No 15 | ||
| Ogofan Gold Mine | Descent 18 | |
| Ogofau Hengoed | Book B222 | Carmarthen |
| Ohelo Chasm | National Speleological Society (USA) | Hawaii |
| Ohio Caverns | National Speleological Society (USA) | USA |
| Oila Kutiulerek (Kumugi River Caver) | Speleologica | Papua New Guinea |
| Oila Yiligiwalugi | Speleologica | Papua New Guinea |
| Ojo Guarena | Speleologist No 3 | Spain |
| Descent 18 | ||
| Lancaster USS. Vol 1 No 3 | ||
| Wessex CC. Jour. No 190 | ||
| OK Kumun Tem | BCRA-Trans. Vol 3 No 3, 4 | New Guinea |
| Okinawa | Book B714 | Japan |
| Okshola Kristihola | Kendal CC. Jour. No 5 | Norway |
| CDG Norway Sump Index | ||
| Ol’ Wisdom Sump | CDG News. 225 | Speedwell Cavern |
| Old Ash Cavern (Mine) | Moldywarps SG No 11 | Derbyshire |
| Derbyshire CAS. News. No 53. | ||
| Old Bow Pit | Royal Forest of Dean CC. News. No. 46 | |
| Old Cote Pot | Bradford PC. Bull. Vol 4 No 2 | Littondale |
| Old Cottage Cave | Descent 234, 247 | New Zealand |
| Old Engine Shaft | Grosvenor CC. | Wales |
| Old Fox Hole | Grampian SG, Bull. Vol 5 No 5 | Scotland |
| Old Fox Hole, The | Canadian Caver Vol 6 No 1 | |
| Old Gang Cave | Moldywarps SG No 3 | |
| Old Gang Mines | BSA-Proceed. No 1 | |
| Old Ham | Royal Forest of Dean CC. News. No. 46, | |
| . 115 | ||
| Old Head Mine | Chelsea SS. News. Vol 14 No 4 | |
| Old Holborn Cave | RRCPC Jour. No 10 | Easegill |
| Old Homestead Cave | International Caver No 7 | W. Australia |
| Old Ing Cave | Cave Diving G. News. No 26, 31 | Birkwith Fell |
| Yorkshire SS. No 1, 3 | ||
| Underground Adventure – Book | ||
| Burnley CC. Review No 1 | ||
| ULSA Review 13 | ||
| Old Providence Mine | White Rose PC, News. Vol 13 No 9, | Kettlewell |
| Vol 14 No 1 | ||
| Book B893 | ||
| Old Quarry Pot | Chelsea SS, News. Vol 19 No 6 | Llanrhidian |
| Old St. Michael’s Cave | Oxford Uni. UCC. Proceed. No | Gibraltar |
| BSA Cave Sci. No 23, 24 | ||
| Old Storrs Cave | Black Rose PC. | Ingleton |
| Oldbury Hill Rock Shelter | Chelsea SS, News. Vol 16 No 4 | Kent |
| Wm. Pengelly | ||
| Caves and Caving No 16 | ||
| Ole Reppen’s Hola | Chelsea SS, News. Vol 48 No 2 | Norway |
| Ollivier Cave | Descent 2 | |
| Olly Pot | Pete Ashmead Archive | Stainton Furness |
| Omalos Cave | Bristol EC. Belfrey Bull. No 292 | Crete |
| White Rose PC. News. Vol 24 No 1 | ||
| Oman | BCRA Trans. Vol 12 No 3 | Oman |
| Dive Oman 1996/1 – Book | ||
| RRCPC News. Vol 33 No 1, Vol 34 No 3 | ||
| National Speleological Society (USA) | ||
| News Vol 24 No 1, Vol 56 No 4 | ||
| Imperial Coll. CC News. No18 | ||
| International Caver No 23 | ||
| PDO News Magazine | ||
| Caves and Caving No 87 | ||
| Stafford Speleo Jour. Vol. 1 | ||
| Omolos Cave | White Rose PC. News. Vol 24 No 1 | Crete |
| Ondol Cave | National Speleological Society (USA) | Korea |
| One Ash Cave | BSA Bull. No 83 | Derbyshire |
| Onesquethaw Cave System | National Speleological Society (USA) | USA |
| Guidebook No 20 | ||
| Onune Magara | Lancaster USS. Turkey ’90 | N. Turkey |
| Ooanagoloor (Coolanau) | Moldywarps SG, No 11 | Co. Waterford |
| Descent 143 | ||
| Irish Speleology | ||
| Book B0716, B1048 | ||
| Oozle Hole | Kendal CC. Jour. No 8 | Dowbergill |
| Opper Natural Bridge | National Speleological Society (USA) | California |
| Optimisticeskaja | NBSS | Crimea |
| Ora | Expedition file | Papua New Guinea |
| Orchard Sough | Derbyshire CA. News. No 153 | Snitterton |
| Orchid Rift | Wessex CC. Jour. No 194 | Rookham |
| Oregon Caves | National Speleological Society (USA) | USA |
| News. Vol 61 No 6 | ||
| Ore’s Close Folly | Book B841 | Mendip |
| Ore’s Close Mine | Oxford Uni. CC, Proceed. No 13, 14 | Mendip |
| Chelsea SS, News. Vol 52 No 12 | ||
| Orkan Hohle | Caves and Caving No 41, 43 | Austria |
| Northern CC, The Caver 1990 | ||
| Chelsea SS, News. Vol 30 No 1 | ||
| Orlinnaja | Book B332 | Uzbekistan |
| Ortobalagan Trough Valley | National Speleological Society (USA) | West Caucasus |
| OS Pot | RRCPC Jour. No 10 | Chapel le Dale |
| OS-101 | Societe Suisse de Speleologie, | |
| Bulletin No. 55 | ||
| OS-80 to OS-105 | Societe Suisse de Speleologie, | |
| Bulletin No. 55 | ||
| Ossicular Hole | Grampian SG. Bull. | Perthshire |
| Osthullet | Craven PC, Jour. Vol 4 No 5 | |
| Separate Sheet Survey 48 | ||
| Ottawa River Cave | Canadian Caver Vol. 18 No 2 | Canada |
| Otter Hole | Brit. Caver Vol 64, 71 | Chepstow – Monmouth |
| Bradford PC. Bull. 1980 | ||
| Bristol EC. Belfry Bull. No 326, 333 | ||
| Cave Diving G. News. No, 40 | ||
| Cerberus SS. Bull. No 4 | ||
| Descent 32, 34, 41, 56 | ||
| BCRA-Trans. Vol 6 No 4 | ||
| Westminster SG. News. No 1, 25 | ||
| White Rose PC. Vol 15 No 2 | ||
| Chelsea SS, News. Vol 24 No 8, 10, | ||
| Vol 25 No 1 | ||
| RRCPC News. Vol 24 No 1 | ||
| Red Dragon No 3 | ||
| Separate Sheet Survey | ||
| Orpheus CC. News. Vol 12 No 9 | ||
| Cave Diving G. News. No 40 | ||
| Gloucester SS. News. Nov/Dec 1976 | ||
| Oct ’87 (2/87) | ||
| Vol 4 No 3 | ||
| Vol 8 No 1 | ||
| Craven PC. Jour. Vol 5 No 5 | ||
| Chelsea SS. News. Vol 24 No 8, | ||
| . Vol 21 No 12 | ||
| Separate Sheet Survey 118 | ||
| ISCA Jour. No 4 | ||
| Otter Hole | Gritstone C. Jour. No 2 | Sutherland |
| Grampian SG, Bull. Vol 1 No 3, | ||
| Vol 5 No 2 | ||
| 3rd. Ser. Vol 4 No 1 | ||
| Grampian SG, Occ. Pub. No 2 | ||
| GSG Caves of Assynt | ||
| ISCA | ||
| ULSA Review 13 | ||
| Eldon PC. Newsletter Vol 5 Nos. 10/11 | ||
| Otter’s Cave | Craven PC, Jour. Vol 6 No 6 | Coverdale |
| CDG-NSI | ||
| Oughtdarra, Caves of | Uni. Bristol SS. Proceed. Vol. 15 No. 3 | Co. Clare |
| Our Lady’s Cave | RRCPC News. Vol 39 No 2 | Aygill |
| RRCPC Jour. No 10 | ||
| Descent 169 | ||
| Out Fell Master Cave | CDG-NSI | Fountains Fell |
| Outgate Pot | White Rose PC. News. Vol 13 No 6 | |
| Outlands Head Quarry Cave | Eldon PC. Vol 9 No 1 | Bradwell |
| Derbyshire CA. News. No 17 | ||
| Brit. Caver Vol 62 | ||
| Outsleets Beck Cave | White Rose PC. News. No 115 | |
| BSA Jour. No 42 | ||
| Chelsea SS. News. Vol 24 No 4 | ||
| Ovens Cave | Brit. Caver Vol 12, 60 | Co. Cork |
| Chelsea SS. News. Vol 8 | ||
| Over Altsuattrut | Brit. Caver Vol 55 | |
| Over Kellet Caves | Pete Ashmead Archive | Over Kellet |
| Overholt Blowing Cave | Canadian Caver | USA |
| Ovre Svartvannsgrotten | CRG-Trans. Vol 8 No 1 | Norway |
| Owillfore Tem | BCRA-Trans. Vol 3 No 3, 4 | New Guinea |
| Owl Finger Hole | RRCPC Newssheet 361 | Leck Fell |
| Owl Hole | Grampian SG. Bull. 2nd. Ser. Vol 1 No 1 | Argyllshire |
| 4th. Ser. Vol 5 No 3 | ||
| Owl Hole | Descent 184 | Derbyshire |
| Derbyshire CA. News. No 121, 124 | ||
| Oxbow Cave | ISCA | |
| Oxclose Mine | BCRA Cave Sci. | |
| Oxford Hole | BSA-Cave Sci. | Casterton Fell |
| Oxford Pot | CRG Trans. Vol 9 No 2 | Casterton Fell |
| BSA Cave Sci. No 2, 14 | ||
| Oxlow Cavern | Bradford PC. Bull. Vol 3 No 6, | Derbyshire |
| . Vol 4 No 4 | ||
| ULSA, News. No 8 | ||
| CRG News. No 101 | ||
| Chelsea SS. News. Vol 8 | ||
| Leeds USS. News. No 8 | ||
| London UCC. Jour. No 1 | ||
| Orpheus CC. News. Vol 5 No 12, | ||
| Vol 6 No 9, | ||
| Vol 7 No 7, 8 | ||
| Northern CC, The Caver Vol 1 No 4 | ||
| Derbyshire CA, News. | ||
| Separate Sheet Survey 204, 206, 210 | ||
| Descent 240, 243 | ||
| BSA Bull. No 71 | ||
| BSA Proceed. No 5 | ||
| BSA Cave Sci. Nos 17, 37 | ||
| Eldon PC. Vol 8 No 1 | ||
| Caves of Northern Derbyshire – part 2 | ||
| Castleton Caves – Book | ||
| Book B764, B1006 | ||
| Yorkshire Ramblers’ C. Jour. No 16 | ||
| Oyaskjelleren | BCRA-Trans. Vol 10 No 3 | Norway |
| Oyu la Madre | Cave Diving G. News. No 185, 194 | Picos de Europa |
| Ozana Cave System | BCRA-Trans. Vol 8 No 2 | Spain |
| Ozonloch | Book B776 | Austria |
Back to Top Link to Club Code List
| P | ||
| P C Cave | Gloucester SS News Nov/Dec 1976 | Forest of Dean |
| P.A.G. | Lancaster USS Vol 1 No 3 | East Kingsdale |
| P1 | See: Perryfoot Cave & Swallet | |
| + Dr. Jackson’s Cave | ||
| P101 | Separate Sheet Survey 334 | |
| P101a | Separate Sheet Survey 334 | |
| P101b | Separate Sheet Survey 334 | |
| P102 | Separate Sheet Survey 334 | |
| P102a (see: Quaking Pot) | Separate Sheet Survey 334 | |
| P106 a la Scia | Book B809 | France |
| P2 | See: Sheepwash Swallet | Derbyshire |
| P2b | Kendal C.C. News. Vol 5 No 10 | |
| P4 Swallet | Caves of Northern Derbyshire – Part 4 | Derbyshire |
| P40 | South Wales CC News. 132 | Vercors |
| P5 | Bradford PC. Bull Vol 4 No 1 | |
| Caves and Caving No 32 | ||
| Descent 70 | ||
| Eldon PC Jour. Vol 9 No 5 | ||
| LUSS 4 | ||
| Not for the Faint Hearted | ||
| Separate Sheet Survey 264, 265 | ||
| P5 Swallet | Derbyshire CA. News No 52 | Castleton |
| Caves & Caving No 32 | ||
| Caves of Northern Derbyshire – Part 4 | ||
| P6 Dig, The | Shef. Uni. SS. Jour. Vol 2 No 6 | Derbyshire |
| Caves of Northern Derbyshire – Part 4 | ||
| P6 Eishohle | ULSA Review 16 | Austria |
| P8 (Jackpot ) | See: Jackpot | |
| Pa-Auhau Civil Defense Cave | National Speleological Society | Hawaii |
| . Cave & Karst Studies Vol 65 No 1 | ||
| Paddling Pool | RRCPC Newssheet 363 | |
| Paddy Cave | Shepton Mallet CC. Jour. Ser 13 No 10 | Myanmar |
| Padirac | Bristol EC Belfry Bull. No 288 | France |
| Padres Pot | Grampian SG. Bull. Vol 1 No 1 | Sutherland |
| Paint Rock River Cave | National Speleological Society (USA) | USA |
| . News Vol 52 No 6 | ||
| Pakistan | CRG News No 33, 34, 35, 58/59, | Pakistan |
| 78/79, | ||
| Descent 35 | ||
| Chelsea SS. Vol 19 No 7 | ||
| International Caver No 11, 2001 | ||
| Grampian SG Bull 3rd Ser. Vol 4 No 4 | ||
| 4th Ser. Vol 3 No 1 | ||
| Bristol EC Belfry Bull No 497 | ||
| Caves & Caving No 90 | ||
| Pal Y Cwrt No. 2 | Book B222, | Carmarthen |
| South Wales CC. News No 11 | ||
| Descent 250 | ||
| Pan Pipe Pot | UBSS Proceed. Vol. 22 No. 2 | Thailand |
| Pan Holes | CRG-Trans. Vol 1 No 4 | Harden |
| Leeds USS Explor. Jour | ||
| Craven PC. Jour. Vol 1 No 2 | ||
| Panama | Bristol EC Belfry Bull No 524 | Panama |
| Descent 190, 197 | ||
| Wessex CC Jour. 297, 344, 318 | ||
| Pant Mawr Pot | Brit. Caver Vol 25 | South Wales |
| CRG-Trans. Vol | ||
| CRG – Pub. No 9 | ||
| Cave Diving Group. News No 26 | ||
| Chelsea SS. News Vol 2 | ||
| Bristol EC Belfry Bull No 290, 556 | ||
| ISCA CC. Jour. Vol 17 | ||
| South Wales CC News. No 7 | ||
| Separate Sheet Survey 97, 245 | ||
| Westminster SG. Bull. Vol 7 No 10, | ||
| . Vol 8 No 4 | ||
| . Vol 9 No 7 | ||
| Westminster SG News. No 5, 43 | ||
| SWETC Speleo Vol 4 No 3 | ||
| Papalakos | Wessex CC Jour. 346 | Greece |
| Paper Cave | Grampian SG. Bull. Vol 2 No 5 | Argyll |
| Paper Mill Cave | RRCPC Jour. 7 | Beetham |
| Papoose Cave | Caves and Caving No 63 | USA |
| National Speleological Society (USA) | ||
| News Vol 51 No 5 | ||
| Papua New Guinea | Descent 31, 33 | Papua New Guinea |
| BCRA Bull No 10 | ||
| BCRA Trans Vol 3 No 3/4 | ||
| Brit. Caver Vol 71 | ||
| Caves & Caving No 3, 5, 10 | ||
| Caving International No 2, 3, 6/7 | ||
| Craven PC Jour Vol 5 No 3, 4 | ||
| Descent 46, 78, 80, 250 | ||
| Sheffield USS Vol 2No 5 | ||
| South Wales CC News No 84, 90 | ||
| Beneath the Cloud Forest | ||
| Caves of Mulu | ||
| Paracetam ‘Ole | Descent 131,152 | Stoney Middleton |
| Paradise Cave & Lower Paradise Cave | Gritstone C. Jour No 5 | Chapel le Dale |
| Paradise Regained | Wessex Jour. 58 | Mendip |
| Park Corner Swallet | Wessex CC Jour No 173 | East Mendip |
| Park Lane Stone Mine (Quarry) | CRG News No 56/57 | |
| Shepton Mallet CC Jour Ser 8 No 9 | ||
| Park Mine | Cwmbran CC. Jour 1, 9, Vol 10 No 2 | S. Wales |
| Chelsea SS. Vol 61 No 1/2/3, 10/11/12 | ||
| Park Scar Cave | Moldywarps SG. Jour. No 12 | Raydale-Wensleydale |
| Parkinsons Pot | Bradford PC Vol 7 No 2 | Allotment |
| Parks’ Ranch | National Speleological Society (USA) | USA |
| Parthenon Pot | BCRA-Speleology No 9 | Crete |
| Passchendaele – 3 Counties System | Separate Sheet Survey 345, 455 | Leck Fell |
| Passchendaele – Swildons 6 | Wessex CC. Jour. No 186 | Mendip |
| Passion Pit | National Speleological Society (USA) | Alaska |
| Pasture Gill | RRCPC News Vol 10 No 4 | |
| Not for the Faint Hearted | ||
| Pate Hole | Grampian SG. Bull. Vol 4 No 4 | Asby, Westmorland |
| Cave Diving G. News No 40 | ||
| Craven PC. Jour Vol 5 No 5 | ||
| Bristol EC. Belfry Bull. No 366 | ||
| Moldywarps SG. Jour. No 2 | ||
| Brit. Caver Vol 16 | ||
| RRCPC News Vol 8 No 1 | ||
| Wessex CC. Jour. No 77, 80 | ||
| Patricks Rift | Chelsea SS. News. Vol 19 No 5, 6 | |
| Patschenschacht | Book B892 | |
| Pavie | Eldon PC. | Papua New Guinea |
| Pay Sank | Craven PC. Record No 99 | Ingleborough |
| Bradford PC Bull Vol 7 No 2 | ||
| Descent 186 | ||
| Payo de Fresno | CRG-Trans. Vol 13 No 1 | |
| Pe ‘Ape’ A Lava Cave | BCRA Trans Vol 6 No 3 | Western Samoa |
| Peacock Springs Cave System | Cave Diving G. News No | USA |
| Peak – Speedwell System, The | Separate Sheet Survey 154b | Derbyshire |
| BCRA-Trans. Vol | ||
| BSA-Cave Sci. 3, | ||
| Castleton Caves – Book | ||
| Technical SG. Jour. No 19 | ||
| Peak Cavern | Separate Sheet Survey 154b | Derbyshire |
| BSA-Cave Sci. 3, 4, 10, 20, 24, 31 | ||
| Book B764, | ||
| BSA-Bull. 1, 2, 3, 4, 5, 6, 74, 85 | ||
| Brit. Caver Vol 23, 30, 80 | ||
| Shef. Uni. SS. Jour. Vol 3 No 1 | ||
| Descent 46, 48, 77, 85, 86, 89, 101, | ||
| . 147, 192, 197, 200 , 202, 221, | ||
| . 224, 228, 239, 245, 251, 276 | ||
| Derbyshire CA News Nos 10, 60, 61, 64, | ||
| . 66, 70, 77, 89, 148, 152, | ||
| Eldon PC Jour Vol 8 No 1, Vol 9 No 5 | ||
| Caves and Caving No 12, 29, 38, 55, 83, | ||
| . 85, 92 | ||
| Caving International No 10, 13 | ||
| South Wales CC. News No 95 | ||
| Sheffield USS Vol 3 No 1 | ||
| Technical SG. Jour. No 11, 13, 14, 15, | ||
| . 16, 19 | ||
| BCRA-Trans, Vol 18 No 1 | ||
| Cave Diving G. News No 163 | ||
| BCRA-CSS, | ||
| BSA-Cave Sci. No. 10 | ||
| Speleologist No 3 | ||
| Orpheus CC News. Vol 6 No 12 | ||
| CRG Trans Vol 13 No 1 | ||
| Castleton Caves – Book | ||
| Peak Cavern System – Book | ||
| The Last Adventure – Book | ||
| Book B764, B1052 | ||
| Life & Death Underground – Book | ||
| Book B1006 | ||
| CDG Peak District Sump Index | ||
| Peak Forest Mines | BSA Jour No 42 | |
| Peakshill Farm Mineshafts 1-5 | BSA- Cave Sci No 41 | |
| Pearl Cliff Cave | Alpine Karst News No. 1 | Montana USA |
| Pearl Mine | Book B841, | Mendip |
| Mendip CG. News 380, 381, 382 | ||
| Peartree No 2 Hole | CRG Trans Vol 9 No 1 | |
| Pebblecombe Hole | Chelsea SS. Records No.2 | Surrey |
| Pech Merle | Wm. Pengelly | France |
| Northern Caving Vol 1 No 6 | ||
| Pedro Great Cave | CRG-Trans. Vol 9 No 1 | Jamaica |
| Pedro’s Pot | Speleologist No. 2 | Picos de Europa |
| Uni. Nottingham Speleo Exped. ‘64 | ||
| Peg Leg Pot | RRCPC, News Vol 7 No 4 | Leck Fell |
| RRCPC Jour No 6 | ||
| Caves & Caving No 32 | ||
| Cave Diving Group. News No 79 | ||
| Northern CC The Caver 1990 | ||
| Separate Sheet Survey 68, 72a | ||
| Northern Pennine C. Jour Vol 2 No 2 | ||
| Craven PC Record No 121 | ||
| Pegwell Sea Caves | Wm. Pengelly | Kent |
| Peleta | Craven PC Record No 101 | Greece |
| Wessex CC. Jour. No 302 | ||
| Pembrokeshire Caves | Brit. Caver Vol 54 | Pembrokeshire |
| Cambrian CC Red Dragon No 9 | ||
| Pen Eryr | Chelsea SS News Vol 16 No 3 | |
| Pen Park Hole | Bristol EC Belfry Bull No 156 | Southmead, Bristol |
| CRG-Trans. Vol | ||
| CRG pub. No 12 | ||
| Book B841 | ||
| Descent 252 | ||
| Brit. Caver Vol 11, 22 | ||
| Mendip Caver Vol 4 No 10 | ||
| Wessex CC. Jour. No 75, 78 | ||
| Pen y Fron Mine | Grosvenor CC. | Wales |
| Pena Cavern | CRG-Trans. Vol 5 No 2 | Portugal |
| Pendeen Consols | Descent 262 | Cornwall |
| Penderyn Quarry Cave | Westminster SG Bull Vol 7 No 6 | |
| Pendine Bone Cave | Brit. Caver Vol 59 | |
| Pendleton Pipe | Yorkshire Underground RT. Report 2 | Greenhow Hill |
| Craven PC Jour Vol 2 No 6 | ||
| Penitentiary Holes | CRG-Trans. Vol 9 No 1 | Jamaica |
| Penn Recca Mine | BSA-Cave Sci. | Devon |
| Pennycyfts Cave | Army C.A. Expedition Report USA89 | Tennessee |
| Pentadaktylos Pot | Bradford PC. Bull. Vol 3 No 6 | Cyprus |
| Penyghent Gill Main Sink | BSA Bull No 1 | Penyghent |
| Yorkshire Ramblers’ C. Jour. No 21 | ||
| Penyghent House Cave Rising | Craven PC. | Penyghent |
| Penyghent House Pot | BSA Bull No 2 | Penyghent |
| Brit. Caver Vol 56 | ||
| Penyghent Long Churn | Bradford PC Bull Vol 3 No 4, Vol 4 No 3, | Penyghent |
| Bolton Speleo C. News No 4 | ||
| Bristol EC Belfry Bull 380 | ||
| Liverpool UPC News Spring ’69 | ||
| ULSA, Review 8 | ||
| ULSA Exploration Jour. 2 | ||
| Separate Sheet Survey 192, 375 | ||
| Gritstone C. Jour. Vol 2 No 1 | ||
| Vol 4 No 2 | ||
| Penyghent Pot | Bradford PC. Bull Vol 3 Nos 2,7 | Penyghent |
| Vol 4 No 3, 4 | ||
| Vol 5 No 7 | ||
| Bristol EC Belfry Bull. Vol 24 No 2, | ||
| No. 250 | ||
| BSA Cave Science No 17 | ||
| Cave Diving G. News. No 17 | ||
| Northern CC, The Caver Vol 1 No 4 | ||
| Northern Pennine C. Jour. 1987-2015 | ||
| Northern Pennine C. News. No 1 | ||
| Speleologist (D&N), Vol 1 No 4 | ||
| Kendal CC. News. Vol 4 No 2 | ||
| Leeds USS News Nos 6, 7 | ||
| London UCC Jour. No 9 | ||
| ULSA Review 10, 13, 16 | ||
| ULSA Explor. Jour. 2 | ||
| Descent 73, 89, 254 | ||
| Gritstone C. Jour. Vol 1 No 1, No 6 | ||
| Separate Sheet Survey 146, 422 | ||
| Book B681, | ||
| RRCPC Jour No 1, 10 | ||
| RRCPC News Vol 7 No 5, Vol 8 No 2 | ||
| Craven PC. Jour. Vol 1 No 3, Vol 3 No 4 | ||
| Cave Diving G. North. Sump Index | ||
| Cave Diving G. News No 17 | ||
| White Rose PC Jour Vol 2 Sect. 2 | ||
| Westminster SG Bull. Vol 6 No 5 | ||
| Not for the Faint Hearted | ||
| Dalesman Mag. – Book B683P | ||
| Wessex CC. Jour. No. 96 | ||
| Perbeck Stone Mine | Chelsea SS. News. Vol 9 | |
| Percorso del Fiume Piuka (Pivka) | Book B681 | |
| Perdreau Formi | Wessex CC. Jour. 237 | France |
| Periskopschacht | Verein fur Hohlenkunde – Book B776 | Tote Gerbirge, Austria |
| Permian Caves | Shef. Uni. SS. Jour. Vol 2 No 3 | Knaresborough |
| Perran St George Mine | Descent 242 | Cornwall |
| Perryfoot Swallet (Caves) | BSA cave Sci. Nos. 3, 9 | Peak Forest, Derbyshir |
| Caves and Caving No 32 | ||
| Derbyshire CA. News, No 61, 90 | ||
| Eldon P. C. Vol 9 No 5 | ||
| Brit. Caver Vol 24 | ||
| Book B720 | ||
| Perry’s Pot | Mendip Caver | Devon |
| Brit. Caver Vol 18 | ||
| Preservation Pot | Derbyshire CA. News. No. 64 | Derbyshire |
| Perseverance Pot | Eldon PC News. Vol 5 No. 10/11 | Derbyshire |
| Persia | Descent 20 | Persia |
| Persil Rift | Chelsea SS. News. Vol 63 Nos. 10-12 | Portland |
| Descent 283 | ||
| Wessex Jour. 357 | ||
| Peru | London UCC Jour. 13 | Peru |
| BSA Cave Sci. No 52 | ||
| Brit. Caver Vol 64 | ||
| Army CA. – Peru 1987 | ||
| Chelsea SS. Vol 44 No 3 | ||
| Bristol EC. Belfry Bull. No 513, 515 | ||
| RRCPC Newsletter Vol. 20 No. 1 | ||
| Peruvian Pot | Irish Caving Club News No. 3 | |
| Pestara Neagru | Westminster SG. Bull. Vol 9 No 3 | Romania |
| Shepton Mallet CC. Jour. Ser 13 No 5 | ||
| Pestera de la Astileu | Brit. Caver Vol | Romania |
| Shepton Mallet CC. Jour. Ser. | ||
| Pestera Din Dealul Humpleu | Westminster SG. Bull. 51 | Romania |
| Pestera Meziad | Shepton Mallet CC. Jour. Ser 13 No 5 | Romania |
| Peter Plummet | Cave Diving G. News No | Spain |
| Yorkshire SS. | ||
| Caves & Caving No 73 | ||
| Peterkin Pot | BSA-Cave Sci. No 43/44 | Jamaica |
| Wessex CC. Jour. No 121 | ||
| Peterson Pot | London UCC, Jour. 12 | Leck Fell |
| Shef. Uni. SS. Jour. Vol 1 No 6 | ||
| RRCPC Jour. 10 | ||
| Gritstone C. Jour. Vol 3 No 3 | ||
| Not for the Faint Hearted | ||
| Pete’s Potty | Oxford Uni. CC. Proceed. No 9 | N. Spain |
| Petit Chourun Clot, Le | RRCPC Jour. No 3 | |
| Petralona Cave | Book B742 | Greece |
| Petrefakten | BSA-Cave Sci. No 23 | |
| Petrem Sink | RRCPC | East Timor |
| Phelps Cave | National Speleological Society (USA) | Kentucky |
| Philippines | Brit. Caver Vol 63 | Philippines |
| Bristol EC Belfry Bull. 449, 490 | ||
| Descent 100 | ||
| International Caver No 8 | ||
| Caves & Caving 64 | ||
| Belgium-Dutch Caving Exped. 89/90 | ||
| Shepton Mallet CC. Jour. Ser. 7 No 8 | ||
| Phoe Inn Gu | RRCPC | Myanmar |
| Piaggia Bella | Bradford PC. Vol 6 No 2 | Italy |
| Descent 33 | ||
| Book B23 | ||
| Caves & Caving 43 | ||
| South Wales CC News. 111 | ||
| Piani Eterni | Speleologia 53 | Italy |
| Pickwick Pot | RRCPC Jour. No 10 | Easegill |
| Picos de Cornion | Caves and Caving No 67 | |
| Picos de Europa | Craven PC. Jour. Vol 3 No 3 | N. Spain |
| Descent 2, 9, 26 | ||
| CRG News. 120 | ||
| Bristol EC. Belfry Bull. 297 | ||
| Derbyshire CA. News. No 6 | ||
| BSA Proceed. No 2 | ||
| LUSS Report 1974-1977 | ||
| Caves & Caving No 8, 9, 46 | ||
| Caving International No 13 | ||
| BCRA Trans. Vol 11 No 4, Vol 17 No 3 | ||
| Birmingham USS. Omnibuss No 5 | ||
| Treviso ’79, ’80 | ||
| Road Map No 442 | ||
| Oxford UCC. Proceed. No 11 | ||
| Wessex CC Jour. No 143, 291, | ||
| Societe Suisse de Speleologie, | ||
| Bulletin No. 55 | ||
| Pictor End Cave | Shef. Uni. SS. Jour. Vol 2 No 2 | Derbyshire |
| Pierre Saint-Martin | Airsip No 18 | France |
| BCRA Bull. No 4 | ||
| BSA Jour. No 45 | ||
| BSA Bull. No 6, 84 | ||
| BSA Cave Sci. No. 48 | ||
| British Caver Vol 45 | ||
| Bristol EC. Belfry Bull. No 335 | ||
| Bradford PC. Bull. Vol 6 No 10, | ||
| Vol 7 No 5 | ||
| Expedition 1973 | ||
| Pierre St Martin Master File | ||
| Technical SG. No 15 | ||
| Orpheus CC. News. Vol 44 No 7-9 | ||
| Craven PC. Jour. Vol 5 No 3 | ||
| Craven PC. Record No 38, 42 | ||
| Caving International No 3 | ||
| Eldon PC. Jour. Vol 9 No 1 | ||
| Canadian Caver | ||
| Descent 5, 8, 18, 23, 33 | ||
| Derbyshire CA. News. No 5 | ||
| SCP | ||
| ULSA, Review 6, 10, 11, 12, 15 | ||
| Caving International No | ||
| Book B236, | ||
| Caves of Adventure | ||
| Atlas de Grands … Book | ||
| South Wales CC. News. No 99, 117, 134 | ||
| Separate Sheet Survey 190, 453 | ||
| Grampian SG. Bull. | ||
| Expedition Folder | ||
| Separate Sheet Survey 453 | ||
| RRCPC News. Vol 57 No 2 | ||
| Pierre’s Pot | Descent 220, 222 | Burrington Coombe, |
| Pierre’s Pot | Descent | Mendip |
| Book B841 | ||
| Pigeon Hole | Cave Diving G. News No 101 | Galway |
| Book B968 | ||
| Uni. Bristol S.S. Proceed. Vol 26 No 2 | ||
| Pigeon Pot No 2 | Craven PC. Jour. Vol 1 No 6 | Fermanagh |
| Caves & Caving No 86 | ||
| Irish Caving Club News. No. 2 | ||
| Pigs Play in the Mud Cave | Shepton Mallet CC. Jour. Ser. | Thailand |
| Pike Slack Sinks | Moldywarps SG No 10 | Wensleydale |
| Pikedaw Calamine Caverns | Book B222, | |
| BSA Jour. 1968 (Settle group) | ||
| BSA Jour. No 41 | ||
| Craven PC. Jour. Vol. 1 No. 5, Vol 2 No 3 | ||
| Sheffield USS. Vol 1 No 6 | ||
| Northern CC, No 4 | ||
| RRCPC Jour. No 7 | ||
| Separate Sheet Survey 119, 314 | ||
| Yorkshire SS. Jour. No 1, 3 | ||
| Westminster SG Bull. Vol 10 No 2 | ||
| Book B597 | ||
| Descent 278 | ||
| North. Mine Res. Soc. News. May 1977 | ||
| Pikhauggrottene | CRG-Trans. Vol 11 No 1 | Norway |
| BSA-Cave Sci. No 29 | ||
| Pilesbury Rising | Orpheus Cc. News. Vol 6 No 10 | |
| Pilgrim Pot | Descent 278 | N. Yorkshire |
| Pilkinton’s Cavern | BCRA-Trans. Vol 10 No 1 | Derbyshire |
| Pillar Hole (Pot) | Craven PC. Jour. Vol 3 No 5, Vol 4 No 4 | Newby Moss |
| Yorkshire SS. No 3 | ||
| Gritstone C. Jour. Vol 1 No 3 | ||
| Ingleton Bygone & Present – Book B766 | ||
| Pin Hole | Lancaster USS. LUSS Vol1 No 3 | E. Kingsdale |
| Ingleton Bygone & Present – Book B766 | ||
| Pin Holes | BSA Jour. No 41 | Derbyshire |
| Moldywarps SG. Jour. Vol 7 | ||
| Pinargozu Magarasi | MAD folder of surveys | Turkey |
| Separate Sheet Survey 92 | ||
| Pinargozu Resergence | BSA Bull. No 2 | Turkey |
| Chelsea SS. News. Vol 11 No 5 | ||
| London UCC. Jour. No 8 | ||
| Separate Sheet Survey 92 | ||
| RRCPC, Jour No 7 | ||
| Pindale Cave | Descent 208 | Castleton |
| Pinetree Pot | Book B841 | Mendip |
| Chelsea SS. News. Vol 2, Vol 25 No 9 | ||
| Mendip CG. News. No 241, 244 | ||
| Pinhole | Moldywarps SG. Jour. No | |
| Pinner Chalk Mine | Chelsea SS. News. Vol 11 No 9 | |
| Brit. Caver No 53 | ||
| Pinney Cave | National Speleological Society (USA) | USA |
| Vol 50 No 12 | ||
| Pinocchio (Ireby II) | Descent 282 | Ireby Fell |
| Pint Pot | Grampian SG. Bull. Vol 5 No 2 | |
| Pint Pot | Pete Ashmead Archive | Stainton Furness |
| Pinto Lake Caves | Canadian Caver | Canada |
| Piovia | Separate Sheet Survey – part of 334 | |
| Pipeline Cave | Descent 55 | Kendal |
| Pipers Cave | Grampian SG. Bull. Vol 5 No 5 | Skye |
| Shepton Mallet CC. Jour. Ser. 11 No 7 | ||
| Bristol EC. Belfry Bull. No 154 | ||
| Pipers Cave | Descent 61 | Co. Antrim |
| Piper’s Hole | Bristol EC. Belfry Bull. No 384/385, | Isles of Scilly |
| 537 | ||
| Wessex CC. Jour. No. 38 | ||
| Pippikin Pot | Separate Sheet Survey 39, 54, 57, 116, | Leck Fell |
| 251, 251a, 447 | ||
| London UCC, Jour. 14 | ||
| Northern Pennine C. Jour. 1982, 1990 | ||
| ULSA, Review 9, 12 | ||
| ULSA Explore. Jour. 2 | ||
| Northern CC. The Caver 1985, 1990 | ||
| Cave Diving Group. News. 52, 62, 92 | ||
| Caves and Caving No 16, 71 | ||
| Descent 169, 227, 281 | ||
| Gritstone C. Jour. Vol 3 No 3 | ||
| RRCPC, News. Vol 8 No 2 | ||
| RRCPC Jour. 10, 11 | ||
| Cave Diving G. North. Sump Index | ||
| Westminster SG. News. No 62 | ||
| White Rose PC. Silver Jubilee Jour | ||
| White Rose PC. 50th. Jour. | ||
| White Rose PC. News. Vol 21 No 1, 2, | ||
| Geographical Mag. Oct ’72 | ||
| Lancashire CCC. Bull. 1986 | ||
| Pippikin Sink | RRCPC | Leck Fell |
| Pique Grane | Bristol EC. Belfry Bull. No 261 | |
| Piracy Cave | National Speleological Society (USA) | Guatemala |
| Pirhuacocha Region, Geology of | BSA-Cave Sci. 52 | Peru |
| Separate Sheet Survey 298 | ||
| Pista Hullet | Kendal CC. Jour. No 3 | Norway |
| Pit Props Stopes & Caverns | Technical SG. Jour. No | Castleton |
| Pitch Cave | Vietnam/Brit. Speleo Exped 1994 | Vietnam |
| Pitchford’s Resurgence Cave | Canadian Caver | Canada |
| Pittington Pot (Cave) | Descent 271 | Co. Durham |
| MSG Jour 14 | ||
| Pivka (Percorso del Fiume Piuka) | Book B681 | |
| Pixie’s Hole | Brit. Caver Vol 19 | Chudleigh |
| Descent 241 | ||
| Placenta Pot | Caves and Caving No 78 | Derbyshire |
| Derbyshire CA. News. No 96 | ||
| Planimetria | Speleologia | Italy |
| Planinska Jama | Shepton Mallet CC. Jour. Ser. 10 No 7 | Slovenia |
| Platteneckhohle | Book B236 | Austria |
| Playschool Pot | Oxford Uni. CC. Proceed. No 11 | N. Spain |
| Pleasley Vale Railway Cutting Pot | Moldywarps SG. Jour. Vol 7 No 10 | |
| Pluais An Sciathain Leathair | International Speleologist No 14 | Co. Cork |
| Plumbago Mine | Cumbria Amenity Tr. No 1 | Borrowdale |
| Plumleys Hole (Den) | CRG News. No 72/81 | Mendip |
| BSA Cave Science No 22 | ||
| Plunge Hole | Derbyshire CA. News. No 53 | Buxton |
| Plymouth Caves | Wessex CC. Jour. No 93 | Plymouth |
| Poachers Cave (Ogof O’r Herwheliwr) | Northern Pennine C. | |
| Poachers Cave (Ogof O’r Herwheliwr) | Book B663 | NE Wales |
| Podpeska Jama | Shepton Mallet CC. Jour. Ser. 10 No 7 | Slovenia |
| Pohl Cell Cave System | CRG News. 90/91 | |
| Point Buchon Area Caves | National Speleological Society (USA) | USA |
| Point Cave | National Speleological Society (USA) | USA |
| Point Edward Cave | Canadian Caver | Canada |
| Pol Eighe (File Pot) | Grampian SG. Bull. 2nd Ser. Vol 1 No 1, | Sutherland |
| Vol 3 No 4 | ||
| Poland | BSA Cave Sci. No 23 | Poland |
| Chelsea SS. Vol 13 No 4, Vol 27 No 8, | ||
| Vol 41 No 11 | ||
| Descent 20, 23 | ||
| Westminster SG. Vol 7 No 11, | ||
| Vol 10 No 3 | ||
| Eldon PC. Vol 9 No 1 | ||
| International Caver No 21 | ||
| Poljska Jama | BCRA-Speleology No | Slovenia |
| Polka Beck Sinks | Pete Ashmead Archive | Stainton Furness |
| Poll An Ionion | Book B205, | Co. Clare |
| Craven PC. Jour. Vol 1 No 4 | ||
| Chelsea SS. News. Vol 15 No 3 | ||
| Uni. Bristol SS. Proceed. Vol 9 No 1 | ||
| Royal Forest of Dean CC. Ireland ’68 | ||
| SWETC Speleo Vol 7 No 3 | ||
| Poll An Mhada Bhui | Irish Speleologist Jour. Vol 2 No 3 | Leitrim |
| Poll An Tobar | Uni. Bristol SS. Proceed. Vol 17 No 3 | Co. Clare |
| Book B968 | ||
| Poll Breugair-Uamh nan Tuil System | Grampian SG. Bull. 5th. Ser. | Applecross |
| Vol 2 No 2,3 | ||
| RRCPC News. Vol 55 No 1,2 | ||
| Descent 255 | ||
| Separate Sheet Survey 497 | ||
| Poll Cahercloggaun | Uni. Bristol S.S. Proceed. Vol 10 No 3 | Ireland |
| Poll Cahermacnaghten | Book B968 | Co Clare |
| Poll Chait | International Speleology No | Co. Cork |
| Poll Chnoc an Spa | International Speleology No 15 | Co. Kilkenny |
| Poll Cragreagh | Hades CC. Mag. No 24 | Co. Clare |
| Uni. Bristol SS. Proceed. Vol 9 No 2 | ||
| Book B968 | ||
| Poll Cregg | Cerberus SS Jour. Vol 11 No 5 | Co. Clare |
| Poll Damoclean | Grampian SG. Caves of Assynt | Assynt |
| Poll Dearg | International Speleology No 13 | Co. Clare |
| Poll Donough (& North) | SWETC Speleo Vol 8 No 2/3, | Ireland |
| Vol 9 No 2/3 | ||
| Bristol EC. Belfry Bull. No 410 | ||
| Chelsea SS. News. Vol 28 No 8 | ||
| Poll Eidheann | BCRA-Trans. Vol 2 | |
| Poll Gorm | Croydon CC. Pelobates No 34 | Ireland |
| Poll Iffrin | BCRA-Trans. Vol 2 | |
| Poll Kilmoon East | Book B205 | |
| Uni. Bristol SS. Proceed. Vol. 11 No 3 | ||
| Poll Na Clan Owley | Craven PC. Jour. Vol 1 No 6 | |
| Poll Na Cron | CRG Trans. Vol 12 No 4 | |
| Descent 3, 33 | ||
| Irish Speleologist Vol 3 No 2 | ||
| Hull Uni. SS. County Fermanagh | ||
| Exped. 1969 | ||
| Craven PC. Jour. Vol 3 No 2 | ||
| Poll Na Damclean | Grampian SG. Bull. 3rd. Ser. Vol 4 No 3 | Sutherland |
| Poll Na Gceim | Bristol EC. Belfry Bull. No 435 | Co. Clare |
| Caves and Caving No 31 | ||
| Descent 70 | ||
| Hades CC. Mag. No 24 | ||
| International Speleology No 4, 14 | ||
| Poll Na Gonzo | Descent 212, 214, 233 | Co. Clare |
| Poll Na Leppechauns | Craven PC. Jour. Vol 2 No 6, Vol 4 No 3 | Ireland |
| Sheffield Uni. SS. Ireland 1963-65 | ||
| Poll Seomar (Chamber Pot) | Descent 64 | Argyll |
| Grampian SG. Bull. 2nd. Ser. Vol 5 No 4 | ||
| Pollagillagh | CRG News. 63/71 | Ireland |
| Pollaille | Cambridge Uni. CC. Underground 1977 | Co. Leitrim |
| Pollaloughabo | Cave Diving G. News No 101 | Galway |
| Pollapooka 1 & 3 | Chelsea SS. News. Vol 19 No 6, | Co. Clare |
| Vol 23 No 6 | ||
| Pollaraftra | Bristol EC. Belfry Bull. No 209 | Ireland |
| Westminster SG. Bull. No 4 | ||
| Book B902 | ||
| Craven PC. Jour. Vol 1 No 2 | ||
| CDG News. No 29 | ||
| Pollasillagh | CRG-News No 63/71 | Ireland |
| Pollasumera | Descent 14 | |
| Irish Caving Club News. No. 3 | ||
| Pollatoomary | Descent 204 | Ireland |
| Pollawillian | Bradford PC. Bull. New Ser. No 1 | |
| Pollballiny | Book B205, | Ireland |
| Craven PC. | ||
| Chelsea SS. News. Vol 15 No 1 | ||
| Uni. Bristol SS. Proceed. Vol 8 No 2 | ||
| Pollballyelly | Chelsea SS. News. Vol 16 No 9 | Co. Clare |
| Separate Sheet Survey 93 | ||
| Pollballyshanny | Chelsea SS. News. Vol 15 No 1 | |
| Pollbeahan | Cave Diving G. News No 101 | Galway |
| Polldangan | Descent | Ireland |
| Polldeelin | Descent 223 | Co. Galway |
| Pollderreen | Shepton Mallet CC. Jour. Ser. 9 No 5 | Co. Clare |
| Polldinna | Cambridge Uni. CC. Underground 1977 | Co. Leitrim |
| Polldough | Descent 269 | Co. Leitrim |
| Pollduagh/ The Churn | Descent, | Ireland |
| CDG News. No. 68 | ||
| Polldubh | Book B205, | |
| Craven PC. | ||
| Chelsea SS. News. Vol | ||
| Uni. Bristol SS. Proceed. | ||
| Descent | ||
| Pollelva | Book B205, | Co. Clare |
| Craven PC. Jour. Vol 1 No 4 | ||
| Royal Forest of Dean CC. Ireland ‘68 | ||
| Uni. Bristol SS. Proceed. Vol 9 No 3 | ||
| Pollfrughlisk | Westminster SG. Bull. No 4 | |
| Pollhoish | Cave Diving G. News No | Galway |
| Pollingdang | Cambridge Uni. CC. Underground 1977 | Co. Leitrim |
| Pollisska Pothole | Bradford PC. Bull. Vol 3 No 2 | W. Ireland |
| Pollna Crom | Craven PC. | Co. Fermanagh |
| Descent | ||
| International Speleology No | ||
| Hull Uni. SS. | ||
| Pollnabrock | Irish Speleology | Ireland |
| Pollnagollum | Chelsea SS. News. Vol 28 No 8 | Co. Fermanagh |
| CRG News. No 97, 100 | ||
| Royal Forest of Dean CC. Ireland ‘68 | ||
| Cambridge Uni. CC. Underground 1979 | ||
| Westminster SG. Bull. No 4 | ||
| White Rose PC. Jour. Vol 3 Sec. 3 | ||
| BSA Cave Sci. No 4, 9, 26 | ||
| International Speleology No | ||
| Irish Speleology Vol 4 No 1, 15 | ||
| Brit. Caver Vol 5, 13 | ||
| Descent 68 | ||
| Caves of NW Clare | ||
| Caving – Baker | ||
| Craven PC. Jour. Vol. 1 No. 5, Vol 3 No 1 | ||
| Uni. Bristol SS. Proceed. Vol 9 No 3 | ||
| Descent 116 | ||
| Caves of Mid West Ireland – Book B968 | ||
| Separate Sheet Survey 327 | ||
| Irish Caving Club News. No. 2 | ||
| Pollnagollum of the Boats | Irish Speleology, | Co. Fermanagh |
| Descent | ||
| Book B902 | ||
| Pollnagort | Descent 279 | Co. Leitrim |
| Pollnagrom | Separate Sheet Survey 324 | Ireland |
| Book B902 | ||
| Pollnagrossen | Irish Speleology Vol 3 No 1, 2 | Ireland |
| Book B902 | ||
| CDG News. No 68 | ||
| Craven PC. Jour. Vol 1 No 6 | ||
| Pollnangolde | Chelsea SS. News. Vol 8 | Ireland |
| Pollnapatsy | Cave Diving G. News No | Galway |
| Pollnasalac | Cave Diving G. News. No 29 | Ireland |
| Pollnatagha | Cambridge Uni. CC. Underground | Ireland |
| Vol 2 No 1 | ||
| Book B902, B920 | ||
| Pollprughlisk | Book B902 | Co. Fermanagh |
| Westminster SG. Bull. No 4 | ||
| Irish Caving Club News. No. 2 | ||
| Pollskeheenhrinky | Bristol EC. Belfry Bull. No 459 | Co. Tipperary |
| Irish Speleology, Vol 2 No 4 | ||
| Pollthanacarra | Irish Speleology, | Co. Fermanagh |
| Polltoophill | Descent 223 | Co. Galway |
| Polltullyard | Book B902 | Co. Fermanagh |
| Irish Speleologist Vol 3 No 2 | ||
| Polltullyard | Descent 47, 185, 202, 209, 256, 267 | Co. Cavan |
| Caves and Caving No 10 | ||
| BCRA-Speleologist 6, 14, 18 | ||
| Book B902 | ||
| Polltullybrack | Irish Speleology, Vol 3 No 2 | |
| Polnangclde | Chelsea SS. News. Vol 8 | Co. Clare |
| Poloska Jama | Chelsea SS. News. Vol 9 No 1 | Yugoslavia |
| Atlas de Grands .. Book | ||
| Polyfilla | Book B187 | Co. Fermanagh |
| Pompeii Cave | Jahreshaft 2009 | New Zealand |
| Pond Sink | Craven PC Record No 113 | Stump Cross |
| Ponder Lane Dig | Descent 19 | Derbyshire |
| Pont Newydd Rising | Cave Diving G. News No 26, 28 | Denbighshire |
| Yorkshire SS. | ||
| Pool Bank Cave | Pete Ashmead Archive | Witherslack |
| Kendal CC. News. Vol 4 No 1 | ||
| Pool Cave | BCRA-Trans. Vol 10 No 3 | Norway |
| Pool Cave | Grampian SG. Occ. Pub. No 2 | Assynt |
| Grampian SG. Bull. Vol 3 No 4 | ||
| Pool Cave | Brit. Caver Vol 43 | Avon Gorge |
| Speleologist No 1 | ||
| Book B1011 | ||
| Pool Sink | Separate Sheet Survey 365 | Easegill |
| RRCPC Jour. No 10 | ||
| RRCPC News. Vol 6 No 6 | ||
| CRG Trans. Vol 9 No 2 | ||
| Manchester USS Jour. 1965 | ||
| Oxford UCC Proceed. No 3 | ||
| Poole’s Cavern | Eldon PC. Jour. Vol 8 No 1 | Buxton |
| Brit. Caver Vol 68 | ||
| BSA Proceed. No 7 | ||
| CRG News. No 79/80 | ||
| BCRA Cave & K. Sci Vol 47 No 3 | ||
| Vol 48 No 3 | ||
| BCRA Review 2022 | ||
| Poor Farm Cave | Canadian Caver | USA |
| Popples, The | Cave Diving G. News No | Dentdale |
| Kendal CC. Jour. 1974 | ||
| Popskata Dubka | Shef. Uni. SS. – Bulgaria 1974 | Bulgaria |
| Shef. Uni. SS. Jour. Vol 2 No 4 | ||
| Porcupine Cave | BCRA-Trans. Vol | British Columbia |
| Caves and Caving No | ||
| Canadian Caver Vol 17 | ||
| Porcupine Cave | BCRA Trans. Vol 10 No 4 | British Columbia, |
| Caves and Caving No 24 | ||
| Porcupine Cave | UBSS Proceed. Vol. 22 No. 2 | Thailand |
| Porcupine Cave (Krem Lymmoh) | Book B842 | Meghalaya |
| Pork Sandwich Shaft | Descent 171 | Derbyshire |
| Porno’s Cave | Caves of the Avon Gorge | Avon Gorge |
| Porta Della Ripa | Speleologica 60 | Italy |
| Portcullis Cave | MSG Jour. 14 | Arkengarthdale |
| Portel, Le | Bristol EC. Belfry Bull. 281 | |
| Porth y Ogof | Bristol EC. Belfry Bull. No 285 | |
| Brit. Caver Vol 7, 26, 56 | ||
| Descent 6, 17, 109 | ||
| Chelsea SS. News. Vol 2 | ||
| Cwmbran CC. Jour. No 5 | ||
| CRG-Trans. Vol 12 No 3 | ||
| CRG Pub. No 8 | ||
| Brit. Caver Vol 56 | ||
| South Wales CC. News. No 67 | ||
| Uni. Bristol SS. Proceed. Vol 12 No 2, | ||
| . Vol. 15 No 3 | ||
| Cwmbran CC. Jour. No 5 | ||
| ISCA, Jour. No 17 | ||
| Cave Diving G. News No 14 | ||
| White Rose CC. News. Vol 3 No 12 | ||
| The Last Adventure – Book | ||
| Porthmelgan Caves | Cambrian C.C. Jour No. 10 | Wales |
| Porthole | RRCPC Jour. 8, 10 | Barbondale |
| Porthole | Caves and Caving No 78 | East Kingsdale |
| Portland, Isle of | Dorset CC. Vol 1 No 3,4, 5 | Portland, Isle of |
| Vol 2 No 1,3,4,5, Vol 3 No 5 | ||
| Vol 4 No 3, Vol 12 No 1 | ||
| CRG trans. Vol 7 No 1, 2, Vol 12 No 4 | ||
| Leicester & Notts. UCA. Jour. Vol 1 | ||
| Descent 92 | ||
| Wessex CC. Jour. 100, 146, 187, 357 | ||
| Chelsea SS. Vol 63 Nos. 10-12 | ||
| Portugal | Bristol EC, Belfry Bull. 122 | Portugal |
| Brit. Caver Vol 86 | ||
| Descent 79 | ||
| Wessex CC. Jour. No. 68, 69, 208 | ||
| Portway Cave | The Climber Mag. Sept. ‘64 | Avon Gorge |
| Brit. Caver Vol 43 | ||
| Posongave | Expedition File | Papua New Guinea |
| Shepton Mallet CC. Jour. Ser. | ||
| Postojnske Jame | Imperial Coll. CC, No 16 | Slovenia |
| Nase Jame | ||
| Craven PC Jour. Vol 3 No 5 | ||
| Grampian SG Vol 4 No 1 | ||
| Postojna Caves – Book | ||
| Shepton Mallet CC. Jour. Ser. 10 No 7 | ||
| Postojna | Northern Caving Vol 1 No 1, 4 | Yugoslavia |
| CRG-Trans. Vol, 4 No 1 | ||
| Book B718 | ||
| Speleologist No 18 | ||
| Brit. Caver Vol 55 | ||
| Grampian SG Vol 4 No 1 | ||
| LUUSS Trogazette 1963 | ||
| Book B1004 | ||
| Posu ptimisto | Oxford Uni. CC. Proceed. No 11 | N. Spain |
| Pot Deux (Pot II ), Le | ULSA Review 16 | Vercors |
| CRG News. No 114 | ||
| Potter’s Cave | South Wales CC. News No 82 | Caldey Island |
| Pottery Hill Vave | National Speleological Society (USA) | Belize |
| Potts Moor Cave | Bradford PC. Bull. New Ser. 1980 | Littondale |
| Pou de Na Patarra | Endins | Mallorca |
| Pou des Fumassos | Endins | Mallorca |
| Pouka Beck Sinks | NOLSPEC | Dalton in Furness |
| Poul Donough North | SWETC Vol 8 No 2/3 | |
| Poul Elva Caves | CRG News. 97 | Co Clare |
| Separate Sheet Survey 327 | ||
| Poul Skeheenarinky | Shef. Uni. SS. Jour. Vol 1 No 2 | |
| Poulacapple Pot | Shepton Mallet CC. Jour. Ser. 9 No 10 | Co Clare |
| Ser. 10 No 8 | ||
| Poulakeol | Caves and Caving No 30 | Co. Kerry |
| Poulamuck | Gloucester SS. News. Vol 2 No 3 | |
| Poulawillin | Bradford PC. Bull. Vol 5 No 7 | Co. Clare |
| Wessex CC. Jour. No 130 | ||
| Pouldermot | Caves and Caving No 30 | Co. Kerry |
| Poulderreen | Shepton Mallet CC. Jour. Ser. | Ireland |
| Poulelva | Descent | Co. Clare |
| Book B968 | ||
| Poulkacapple Pot | Shepton Mallet CC. Jour. Ser. | Ireland |
| Poulnagollum (Slieve Elva Pot) | Irish Speleology, Jour. 15 | Co. Clare |
| Descent 44, 208 | ||
| Shepton Mallet CC. Jour. Ser. 9 No 5 | ||
| Book B968 | ||
| Separate Sheet Survey 327 | ||
| Poulnagree | Book B205, | Ireland |
| Uni. Bristol SS Proc. Vol 8 No 2, 2000 | ||
| Bradford PC. | ||
| Descent 227 | ||
| Poulomega Cave | CRG News. 72/81 | Co. Clare |
| Poultullon | Irish Speleology, Jour. 15 | Co. Clare |
| Poultullyard | Descent | Ireland |
| Pounder Lane Cave | Descent 37 | Derbyshire |
| Derbyshire CA. News. No 69 | ||
| Poverty Gill Cave & Foxholes | Gritstone Club Jour. No 5 | Cam Fell |
| Pozo Azul | Cave Diving G. News. No 193 | Spain |
| Descent 217 | ||
| Bradford PC. Bull. Vol 7 No 6 | ||
| Pozo Bajo del Sedo | Caves and Caving No 78 | Spain |
| Pozo Chicago | Descent | Spain |
| Pozo de Cuetalbo | Caves and Caving No 30 | Spain |
| Pozo de Fresno | Oxford Uni. CC. Proceed. No 5 | N. Spain |
| Pozo de la Esperanza P35 | South Wales CC. News No | Spain |
| Pozo de la Groselleros | Regards No 74 | Navarra |
| Pozo de los Caracoles | Oxford Uni. CC. Proceed. No | N. Spain |
| Pozo De Vega el Forcau | Oxford Uni. CC. Proceed. No 8 | Spain |
| Pozo de Vega Huerta | Caves and Caving No 29 | Spain |
| Pozo de Xitu | RRCPC | Spain |
| Pozo del Arguelles | Caves and Caving No 23 | N. Spain |
| Pozo del Caballo Cimeru | Caves and Caving No 23 | N. Spain |
| Pozo del Cantu del Hombre | Oxford Uni. CC. Proceed. No 9 | N. Spain |
| Pozo del Huachanzo | Exped. Speleo. De la SSPPO Ecuador ‘82 | Ecuador |
| Pozo del Infierno | Birmingham USS. Omnibuss No 5 | Spain |
| Pozo del Madejuno | Caves & Caving 68 | Picos de Europa |
| Pozo del Molino | Oxford Uni. CC. Proceed. No 7 | N. Spain |
| Pozo Della Neve | Book B236, | Italy |
| Speleologica | ||
| Pozo Estella | Book B236 | Spain |
| Pozo Jorcada Blanca | Oxford Uni. CC. Proceed. No 11 | Spain |
| Pozo Jultayu | Caves & Caving 60, 83 | Spain |
| Oxford Uni. CC. Proceed. No 14 | ||
| Oxford UCC Huerta de Ray Exped. 1992 | ||
| Pozo La Texas | Oxford Uni. CC. Proceed. No 8, 9 | Spain |
| Craven PC. Jour. Vol 3 No 3 | ||
| Pozo Las Perdices | Oxford Uni. CC. Proceed. No 11, 12 | Spain |
| Pozo los Texas | Craven PC. | Spain |
| Book | ||
| Oxford Uni. CC. Proceed. No | ||
| Pozo Optimisto | Oxford Uni. CC. Proceed. No 11 | N. Spain |
| Pozo Palomeru | CRG-Pub. No 10, 14 | N. Spain |
| Oxford Uni. CC. Proceed. No 1 | ||
| Pozo Paso Doble | Oxford Uni. CC. Proceed. No | Spain |
| Pozo Ryob’Hilti | Regards No 71 | France |
| Pozu Cabeza Julagua | Caves and Caving No 60 | N. Spain |
| Oxford UCC Huerta de Ray Exped. 1992 | ||
| Pozu Cabeza Muxa | Caves and Caving No 44 | N. Spain |
| Pozu Cebolleda | Book B236 | Spain |
| Pozu Chicago | Descent 198 | Picos de Europa |
| Pozu de la Cistra | Oxford Uni. CC. Proceed. No 12 | N. Spain |
| Pozu de la Pessimista | Chelsea SS. News. Vol | N. Spain |
| Cerberus SS. Vol 9 No 6 | ||
| Pozu de la Pressimista | Cerberus SS. Vol 9 No 6 | N. Spain |
| Pozu de Vayeya | Oxford Uni. CC. Proceed. No 10 | N. W. Spain |
| Pozu del Cantu Del Hombre | Oxford Uni. CC. Proceed. No 9 | |
| Pozu del Joe 90 | Oxford Uni. CC. Proceed. No | N. Spain |
| Pozu del Ojo de la Bruja | Caves and Caving No 38, 44, 47 | N. Spain |
| Oxford Uni. CC. Proceed. No 13 | ||
| Separate Sheet Survey 266 | ||
| Descent 155 | ||
| Pozu del Xin | Separate Sheet Survey 275 | |
| Pozu del Xitu | Caves and Caving No 10 | N. W. Spain |
| Caving International No 11 | ||
| Cerberus SS. Vol 9 No 6, Vol 11 No 2 | ||
| International Caver No | ||
| Oxford Uni. CC. Proceed. No 9, 10 | ||
| Chelsea SS. News. Vol | ||
| Descent 49 | ||
| South Wales CC. News. No 129 | ||
| Separate Sheet Survey 275 | ||
| RRCPC Jour. 11 | ||
| Pozu Jorcada Blanca | Caves and Caving No 18, 22 | N. Spain |
| Descent 54 | ||
| Oxford Uni. CC. Proceed. No 11 | ||
| Pozu Jultayu | Caves and Caving No 60 | N. Spain |
| Oxford Uni. CC. Proceed. No 14 | ||
| Oxford UCC Huerta de Ray Exped. 1992 | ||
| Separate Sheet Survey 266 | ||
| Pozu los Caracoles | Caves and Caving No 30 | N. Spain |
| Oxford Uni. CC. Proceed. No 11, 12 | ||
| Separate Sheet Survey | ||
| Pozu Paso Doble | Oxford Uni. CC. Proceed. No 11 | N. Spain |
| Pozzo Della Neve | Atlas des Grands .. Book | Italy |
| Speleologica | ||
| Preacher’s Cave | Cave Diving G. News No 172 | Wild Boar Fell |
| Cave Diving G. North. Sump Index 2015 | ||
| Descent 229 | ||
| Predjama | Book B187, B718 | Yugoslavia |
| Chelsea SS. News. Vol 9 No 1 | ||
| Shepton Mallet CC. Jour. Ser. 10 No 7 | ||
| Down to a Sunless Sea – Book | ||
| Prekonoska Pecina | Nase Jame | Slovenia |
| Prepadna Jama | Nase Jame | Slovenia |
| Pretty Pisspot Cave | Expedition File | Crete |
| Prices Dig | Chelsea SS. News. Vol 32 No 6 | Llangattwg |
| Priddy Green Sink | Chelsea SS. News. Vol 51 No 5 | Mendip |
| Grampian SG. Bull. Vol 4 No 3 | ||
| Descent 131 | ||
| Shepton Mallet CC. Jour. Ser. 8 No 9 | ||
| Book B841, | ||
| Cerberus | ||
| Mendip CG News. 253 | ||
| Wessex CC. Jour. No 75,76, 300 | ||
| Priddy Green Swallet | Bristol EC. Belfry Bull. No 143, 154, 167 | |
| 502, 503 | ||
| Westminster SG. Bull. April ‘60 | ||
| Grampian SG Bull. Vol 4 No 3 | ||
| Shepton Mallet CC. Jour. Ser. 8 No 9 | ||
| Cerberus SS Jour. Vol 24 No 1 | ||
| Pridhamsleigh Cavern | BSA-Cave Sci. 34 | |
| BSA Caves and Caving Vol. 1 No. 2 | ||
| Cave Diving G. News. No 26 | ||
| Descent 14, 235 | ||
| Brit. Caver Vol 45 | ||
| Priesttown Cave | Irish Speleology, Vol 3 No 2 | Co. Tipperary |
| Prima | Book B332 | Uzbekistan |
| Primadona | Imperial Coll. CC. Jour. 22 | Slovenia |
| Primrose Pot | Dorset CG Vol 2 No 5 | Mendip |
| Chelsea SS. News. Vol 16 No 6 | ||
| Wessex CC. Jour. No 184 | ||
| Primrose Pot | Grampian SG Bull. 2nd. Ser. Vol 1 No 1 | Argyllshire |
| Prince Charles Cave | Shepton Mallet CC. Jour. Ser. 11 No 7 | Skye |
| Princess Louise Mine | ISCA | |
| Printed Circuit Cave | Chelsea SS. News. Vol 8 | Jamaica |
| Priorsdale Cave | Moldywarps SG. Jour. No 5 | |
| Pritchards Cave | Orpheus CC. The Lyre No 5 | Manifold Valley |
| Prods Pot | Descent 14 | Co. Fermanagh |
| Birmingham USS. Omnibuss No 3 | ||
| Westminster SG. Bull. Vol 7 No 10, 11 | ||
| Cave Diving G. News No, 26, 40 | ||
| Irish Speleology, Vol 3 No 2 | ||
| Separate Sheet Survey 122 | ||
| Book B902 | ||
| Pwlluog Caves | Cambrian C.C. Jour No. 10 | |
| Prods Pot | Irish Caving Club News. No. 3 | |
| Projects Cave, The | Canadian Caver | Canada |
| Propast Pema | Brit. Caver Vol | Montenegro |
| Propastna Pyescher | ULSA Review 11 | Bulgaria |
| Separate Sheet Survey 184 | ||
| Prophet’s Cave | BCRA-S | Spain |
| Prosinca Pot | White Rose PC. Jour. Vol 3 | New Zealand |
| Proventina | CRG-News. No 87, 104 | Yugoslavia |
| Bradford PC. Bull. Vol 5 No 3 | ||
| BSA-Proceed, No 6 | ||
| Caving International No 8 | ||
| London Uni. CC. Jour. No 4 | ||
| Speleologist No 19 | ||
| Northern Pennine C. Bull. New Ser. No 1 | ||
| South Wales CC. News. No 92 | ||
| Separate Sheet Survey 408 | ||
| Wessex CC. Jour. No 118 | ||
| Kendal CC. Jour. No 2 | ||
| Providence Pot | Craven PC. Jour. Vol 1 No 6, | Kettlewell |
| Vol 2 No 1, 2 | ||
| Cave Diving G. North. Sump Index | ||
| Gritstone C. Jour. No 2 | ||
| Kendal CC. News. Vol 4 No 2 | ||
| Liverpool UPC. Vol 1 No 2 | ||
| London Uni. CC. Jour. No 11 | ||
| Chelsea SS. News. Vol 20 No 4 | ||
| BCRA Speleology No 5 | ||
| Prpoastna Pyescher | ULSA, | Bulgaria |
| Separate Sheet Survey | ||
| Psilomelane Pot | Northern Pennine C. Jour. 1979 | |
| Psyche Cave | National Speleological Society (USA) | New Mexico |
| News Vol 59 No 2 | ||
| Psychotic Pot | RRCPC jour. No 7 | Birkwith |
| PT4 | BCRA-Speleology No 15 | Montenegro |
| Craven PC. record No 100 | ||
| Chelsea SS. News. Vol 52 No 8/9, 12 | ||
| Pueblo Creek Cave | Descent 217 | Belize |
| Puerto Rico | CRG News. 125, 129 | Puerto Rico |
| Caves & Caving 12 | ||
| Shepton Mallet CC. Jour. Vol 12 No 9 | ||
| SWETC Speleo Vol 12 No 1 | ||
| NSS News. Vol 31 No 8 | ||
| Puffball & Icing Sugar Cave | Caves and Caving No 56 | Austria |
| Puits d’Anglais | CRG-Occ. Pub. No 6 | Pyrenees |
| Kendal CC. Jour. 1969 | ||
| Liverpool Uni. PC News. Spring ’69 | ||
| Cambridge Uni. CC. Underground 1973 | ||
| Separate Sheet Survey 276,276a, 276b | ||
| Puits de Cinde Blanque | See: Puits d’Anglais | Pyrenees |
| Puits de la Bella-Louise | Dorset CC. Jour. Vol 4 No 1 | France |
| Wessex CC. Jour. No 182 | ||
| Puits de la Broche | Chelsea SS. News. Vol 28 No 1 | France |
| Puits de L’if | Shepton Mallet CC. Jour. Ser. 10 No 2 | France |
| Puits des Bancs, Les | RRCPC Jour. No 2 | |
| Puits Francis | Book B236 | France |
| Puke Swine | SPELEO News. Vol 2 No. 3 | Somerset |
| Pulpit Hole | CRG Pub. No 8 | |
| Pulthy Clougher | LPLS | Co. Leitrim |
| Pumphouse Cave | BSA-Cave Sci. No 43/44 | Tennessee |
| National Speleological Society (USA) | ||
| Pungi Rota | BCRA-Trans. Vol 13 No 1 | Indonesia |
| Puppy Dog Cave | Shepton Mallet CC. Jour. Ser 13 No 10 | Myanmar |
| Purbeck Stone Mine | Chelsea SS. News. Vol | |
| Purgatory Pit System | National Speleological Society (USA) | USA |
| Guidebook No 20 | ||
| Puron Cave | CRG-Trans. Vol 13 No 1 | |
| Putwell Mine | PDMHS | Derbyshire |
| Puttenham Caves | Chelsea SS. Records No.2 | Puttenham |
| Pwll Blaen Onneu | Chelsea SS. News. Vol 2 | |
| Pwll du Cave System | South Wales CC. News. No 70 | |
| Cave Diving Group. News. No 28 | ||
| Pwll Du Quarry Cave | ISCA | |
| Pwll Dwfn | Northern CC, The Caver Vol 1 No 3 | Breconshire |
| Chelsea SS. News. Vol 29 No 3 | ||
| Craven PC. Jour. Vol 3 No 2 | ||
| Westminster SG. Bull. No 6, 65 | ||
| Mendip CG. News. No 191 | ||
| ISCA, Jour. No 17 | ||
| Cave Diving G. News No 183 | ||
| Brit. Caver Vol 17, 41, 49 | ||
| Pwll Estrys | Chelsea SS. News. Vol 55 No 7/8 | S. Wales |
| Vol. 62 Nos. 7/8/9 | ||
| Pwll Pindar | Westminster SG. Bull. Vol 9 No 4 | |
| Westminster SG. News. No 55, 57 | ||
| Descent 85 | ||
| Pwll Pindar | ISCA CC. Jour. No 17 | |
| Westminster SG. News. No 55, 57 | ||
| Westminster SG. Bull. Vol 9 No 4, 6 | ||
| Descent 85 | ||
| Pwll Toby | Westminster SG. News. No 51, 52 | |
| Pwll Y Coeden Gnau | Westminster SG. Bull. Vol 7 No 12 | S. Wales |
| South Wales CC. News No 4 | ||
| Cwmbran CC. Jour. No 3, Vol 10 No 2 | ||
| ISCA Jour. No 17 | ||
| NSS News. Vol. 31 No 8. | ||
| Pwll Y Gwynt | Chelsea SS. News. Vol 23 No 6, 9, | |
| Vol 24 No 4, 9, 11, | ||
| Vol 25 No 1, | ||
| Vol 34 No 9 | ||
| Vol 61 No 4/5/6 | ||
| Descent 49 | ||
| Cambrian CC, Red Dragon No 9, 12 | ||
| Caves and Caving No 41 | ||
| Pwll Y Pasg | BSA-Proceed, No 1 | |
| Cambrian CC, Red Dragon No 12 | ||
| Chelsea SS. News. Vol 27 No 2, | ||
| Vol 34 No 6 | ||
| ISCA | ||
| Pwll Y Rhyd | Descent 77 | |
| Cambrian CC, Red Dragon No 15 | ||
| Pwll Synd | Royal Forest of Dean CC. News. No. 41 | |
| Pyrenees | Happy Wanderers CPC. Jour. 1966 | Pyrenees |
| British Cantabrian Expedition | ||
| Kendal CC. Jour. 1963, 1969 | ||
| Liverpool UPC News. Spring ’69 | ||
| Westminster SG. Bull. Vol 5 No 12 | ||
| More Years under the Earth – Book | ||
| My Caves – Book | ||
| Craven PC. Jour. Vol 2 No 1 | ||
| Bristol E.C. Belfry Bull. Vol 24 No 2 | ||
| Descent 189 | ||
| Gloucester SS. News. Apr/May ’74 | ||
| Cambridge UCC. Cambridge | ||
| Underground 1974 | ||
| Wessex CC. Jour. No. 98 |
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