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Barite Mines
Coal Mines
Abbey wood Colliery
Abbots close Colliery
Acklington Colliery
Acomb Colliery
Addison Colliery
Adelaide Colliery
Adies sike Colliery
Aldwark main Coal Mine
Algernon Colliery
Allenshead Colliery
Allerdean Colliery
Allhallows Colliery
Allotment (drift) Colliery
Alnwick moor Colliery
Alyn bank Colliery
Andrew Colliery
Andrews house Colliery
Ann Colliery
Anna bella Colliery
Annesley Colliery
Ansley hall Colliery
Apedale Coal Mine
Armouth wath Colliery
Arnghyll Colliery
Asby Colliery
Ash tree Colliery
Ashington Colliery
Aubone Colliery
Auckland park Colliery
Awsworth Colliery
Axe edge old engine Colliery
Axwell (bagnall) Colliery
Axwell park Colliery
Aykley heads Colliery
Ayle east drift Colliery
Ayton (pit) Colliery
Copper Mines
Aberdaunant hendregeryg Copper Mine
Aberglaslyn Copper Mine
Afon gamallt Copper Mine
Afon stwlan Copper Mine
Alderley edge Copper Mine
Ann maria Copper Mine
Apes tor Copper Mine
Appletree Copper Mine
Arran and snowdon Copper Mine
Gold Mines
Aber ia Gold Mine
Allt boeth Gold Mine
Allt goch Gold Mine
Anna maria Gold Mine
Anzac welsh Gold Mine
Arenig Gold Mine
Granite Mines
Arenig Granite Mine
Artro granite Granite Mine
Gravel Mines
Gypsum Mines
Iron Mines
Aber Iron Mine
Aberdare no1 level Iron Mine
Aran Iron Mine
Auchencairn Iron Mine
Ironstone Mines
Ailesbury Ironstone Mine
Aylesbury Ironstone Mine
Aysdalegate Ironstone Mine
Ayton (Monument) Ironstone Mine
Ayton banks Ironstone Mine
Jet Mines
Lead Mines
Aber ia Lead Mine
Aberdaunant Lead Mine
Aberdine Lead Mine
Aberdovey Lead Mine
Aberduna Lead Mine
Abergain Lead Mine
Abermeddiant Lead Mine
Achanarras hill Lead Mine
Achbraad Lead Mine
Afon goch Lead Mine
Afon gwril Lead Mine
Afon las Lead Mine
Afon lledr Lead Mine
Agnes Level
Allen Smelt Mill
Allen old Smelt Mill
Allenheads Smelt Mill
Allergill Lead Mine
Allt wen Lead Mine
Allt y crib or talybont Lead Mine
Alltgoch Lead Mine
Allt-goch Lead Mine
Alltgymbyd Lead Mine
Ally y main Lead Mine
Amnodd nant ddu Lead Mine
An rudha Lead Mine
Anglezarke Lead Mine
Apedale Smelt Mill
Apedale Lead Mine
Applethwaite gill Trial
Argoed Lead Mine
Arngill Lead Mine
Ashgill field Lead Mine
Ashgillhead Lead Mine
Ashpot Level
Ashton Lead Mine
Assheton Lead Mine
Auchosnich Lead Mine
Augill Lead Mine
Augill Smelt Mill
Axton Lead Mine
Limestone Mines
Arnside Limestone Quarry
Arrock black marble Limestone Quarry
Manganese Mines
Artro Manganese Mine
Atway Manganese Mine
Other Mines
Allenheads Mine
Ashford black marble Mine
Ayton Banks Alum Quarry
Sand Mines
Silver Mines
Slate Mines
Aber Slate Quarry
Abercorris Slate Quarry
Abercwmeiddaw Slate Quarry
Aberdunant Slate Quarry
Aberfoyle Slate Quarry
Aberglaslyn Slate Quarry
Abergwern Slate Quarry
Abergwynant Slate Quarry
Aberllefenni Slate Quarry
Adelaide Slate Quarry
Adwyr dwr Slate Quarry
Adwy'r-dwr Slate Quarry
Afon alice Slate Quarry
Afon cletwr Slate Quarry
Afon deri Slate Quarry
Afon dulas Slate Quarry
Afon gain Slate Quarry
Afon gamallt Slate Quarry
Afon gaseg Slate Quarry
Afon hirddu Slate Quarry
Afon nadroedd Slate Quarry
Afon oernant Slate Quarry
Afon wen Slate Quarry
Afon ystumiau Slate Quarry
Alexandra Slate Quarry
Allt lechi Slate Quarry
Allt wen Slate Quarry
Allt-ddu Slate Quarry
Allt-goch Slate Quarry
Alltllechi Slate Quarry
Allt-wen Slate Quarry
Alltyddinas Slate Quarry
Applethwaite Slate Quarry
Aran Slate Quarry
Arcrow Slate Quarry
Ardda Slate Quarry
Arddu Slate Quarry
Arthog Slate Quarry
Arthur Slate Quarry
Ashgill Slate Quarry
Attkinson koppise Slate Quarry
Sulphur Mines
Ardda Sulphur Mine
Arddadraw Sulphur Mine
Unknown Mines
Aber gwynant Unknown Mine
Aber hirnant Unknown Mine
Aber strecht Unknown Mine
Afon aran Unknown Mine
Afon bowydd Unknown Mine
Afon crafnant Unknown Mine
Afon craiglas Unknown Mine
Afon cwm pandy Unknown Mine
Afon eden Unknown Mine
Afon goch Unknown Mine
Allt llwyd Unknown Mine
Allt rhos farch Unknown Mine
Allt uchaf Unknown Mine
Allt wen Unknown Mine
Allt y benglog east Unknown Mine
Allt y benglog west Unknown Mine
Aran Unknown Mine
Argoed Unknown Mine
Arwydd Unknown Mine
Zinc Mines
Aberllyn Zinc Mine
Ayle burn Zinc Mine
