Lee Reynolds1:
Seven Sisters Colliery - Cornish Seam
Lee Reynolds1:
Seven Sisters Colliery Big (9'-0") Seam
Lee Reynolds1:
Seven Sisters Colliery - Black Seam (18'-0")
Lee Reynolds1:
Seven Sisters Colliery - Brass (Peacock) Seam
Lee Reynolds1:
Seven sisters Colliery Swan Neck Fault
Lee Reynolds1:
Seven Sisters Colliery