Birks Fell CaveUpper Wharfedale
Full Size
CPC 1970 Birks Fell Cave
Full Size
CPC J4-3 Birks Fell Cave - Diagram
Full Size
CPC J4-3 Birks Fell
WRPC J2004 Birks Fell - Water Tracing
Descent 166 Birks Fell Water Tracing
WRPC NS21-1(2002) Birks Fell - Dye Testing
BC 75 Birks Fell Cave
NC V1 The Caves of Birks Fell
EN SSSI 2002 Birks Fell - Redmire
GCR Birks Fell Cave And Redmire Pot