Geology of the northern Pennine orefield economic memoir covering the areas of one-inch and 1: 50 000 geological sheets 40, 41, and 50, and parts of 31, 32, 51, 60, and 61, new series
Dunham, K. C.(Kingsley Charles),Sir,1910-
Wilson, A. A.
British Geological Survey.
London H.M.S.O.,
1985
At head of title: British Geological Survey
Includes index
Geology