Surveys

Ref: 1609. Added 28 Jan 2026.

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Maracaibo

1973

Ref: 1610. Added 28 Jan 2026.

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Moss House Mine - Warton Crag

1961

Journal 1

Ref: 1611. Added 28 Jan 2026.

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Malham Moor Mineralisation

Journal 7

Ref: 1617. Added 28 Jan 2026.

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Moss Head Slate Mines - Coniston

Journal 7

Ref: 1618. Added 28 Jan 2026.

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Marble Steps Pot

1984

Marble Steps Pot

Ref: 1623. Added 28 Jan 2026.

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Marble Sink and Pot (Elevation)

1968

Journal 69

Marble Sink

Ref: 1625. Added 28 Jan 2026.

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Marble Sink and Pot

1968

Journal 69

Marble Sink

Ref: 1626. Added 28 Jan 2026.

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Meregill and Little Meregill

Journal 69

Ref: 1627. Added 28 Jan 2026.

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Mossdale Caverns

1989

Journal 89

Mossdale Caverns

Ref: 1629. Added 28 Jan 2026.

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Meregill Hole Sketch

Yorkshire Ramblers Club

Journal 2-8

Ref: 1634. Added 28 Jan 2026.

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Mere Gill

Yorkshire Ramblers Club

Journal 4-12

Ref: 1635. Added 28 Jan 2026.

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Magnesian Limestone Area Geology

Ref: 1636. Added 28 Jan 2026.

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Malham Area Geology

1930

Ref: 1637. Added 28 Jan 2026.

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Malham Area Hydrology

Ref: 1638. Added 28 Jan 2026.

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Malham Cove Rising

1993

Ref: 1639. Added 28 Jan 2026.

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Mill Hill Sand Caverns - Pontefract

1993

Ref: 1640. Added 28 Jan 2026.

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Littondale - Caves and Hydrology

Burnley Caving Club

Review 94 (1974)

Ref: 1292. Added 28 Jan 2026.

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Low Elgins Hole

2004

Black Sheep Diggers

Low Eglins Hole

Ref: 1304. Added 28 Jan 2026.

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Lost Johns - Rumbling Hole Inlet

1966

Lost Johns' Cave

Ref: 1321. Added 28 Jan 2026.

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Langstroth Cave

1966

Bulletin 4-10

Langstroth Cave

Ref: 1322. Added 28 Jan 2026.

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Lumphammer Hole - Ingleborough

1965

Bulletin 4-7

Ref: 1323. Added 28 Jan 2026.

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Lancaster Hole - Graveyard Aven

Bulletin 5-4

Ref: 1324. Added 28 Jan 2026.

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Lancaster Hole - Skittle Alley Ext

Bulletin 5-6

Ref: 1325. Added 28 Jan 2026.

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Losers Pot

Bulletin 7-2

Ref: 1326. Added 28 Jan 2026.

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Lanteshop Cave

1939

Ref: 1327. Added 28 Jan 2026.

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Lockey Gill Cave

Dawson Close & Lockey Gill Areas

Bulletin 75

Ref: 1328. Added 28 Jan 2026.

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Lords Hole (Extension) - Settle

Bulletin 75

Ref: 1329. Added 28 Jan 2026.

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Leck Beck Head

1970

Bulletin 85

Ref: 1330. Added 28 Jan 2026.

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Lost Johns' Cave

Caves and Caving 13

Lost Johns' Cave

Ref: 1331. Added 28 Jan 2026.

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Lesser Kelcow Cave - Giggleswick

1932

Caves and Caving 14

Ref: 1332. Added 28 Jan 2026.

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Lead Smelting Mills of Wharfedale, Greenhow Hill and Nidderdale

1948

Caves and Caving 5

Ref: 1333. Added 28 Jan 2026.

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Lancaster Hole - Near Series

1948

Caves and Caving 6

Ref: 1334. Added 28 Jan 2026.

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Leck Fell - Area

Cave Science 6-48

9 caves

Death's Head Hole, Gavel Pot, Ireby Fell Cavern, Lost Johns' Cave, Marble Pot, Notts Pot, Pippikin Pot, Rumbling Hole, Short Drop Cave

Ref: 1335. Added 28 Jan 2026.

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Lancaster Hole - Montagu Cavern

1948

Proceedings 1

Ref: 1336. Added 28 Jan 2026.

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Lancaster Hole - Stop Pot area

1949

Proceedings 1

Ref: 1337. Added 28 Jan 2026.

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Link Pot

1978

Caving International

6-7

Link Pot

Ref: 1340. Added 28 Jan 2026.

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Lost Johns' System

1959

Lost Johns' Cave

Ref: 1353. Added 28 Jan 2026.

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Lost Caverns of Grassington Moor

Journal 1-5

Ref: 1354. Added 28 Jan 2026.

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Little Rift

1956

Journal 2-2

Ref: 1355. Added 28 Jan 2026.

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Little Meregill

Journal 3-5

Ref: 1356. Added 28 Jan 2026.

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Lancaster Hole - Magic Roundabout

1973

Journal 5-1

Lancaster Hole, Cow Pot

Ref: 1357. Added 28 Jan 2026.

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Lancaster Hole - Quality Street

1974

Journal 5-2

Ref: 1358. Added 28 Jan 2026.

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Lizard Pot

1976

Journal 5-4

Lizard Pot

Ref: 1359. Added 28 Jan 2026.

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Lone Ranger Series Link Pot

1980