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A.L.Butcher | Report on a vist to Caves in Mount Elgon, Kenya | Africa |
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A.L.Butcher | Grading of Cave Surveys | surveying |
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A.L.Butcher | Safety in Potholes: Report of C.C.P.R. Conference at Leeds |
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A.L.Butcher | The Association of the William Pengelly Research Centre | UK |
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A.L.Butcher | Survey of Gaping Gill by Peveril Underground Survey Association | surveying,UK,NW England |
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A.L.Butcher; T.Sykes; J.Fisk | The Regional Caving Organisations |
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A.L.Butcher | The Cambrian Cave Registry | UK,S Wales |
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A.L.Butcher | The Council of Northern Caving Clubs | UK,NW England |
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A.L.Butcher | The Dan-yr-Ogof temporary undeground biological station | biospeleology,UK,S Wales |
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A.L.Butcher | British Speleological Association National Conference: Report | UK |
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A.L.Butcher | New Discoveries | UK |
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A.L.Butcher | Regional Councils of Caving | UK |
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A.L.Butcher | Castleton Surface Demonstration Meeting: report | UK,Peak |