The Durham area /
Johnson, G. A. L.(George Anthony Lobjoit)
Dunham, K. C.(Kingsley Charles),Sir,1910-
Hopkins, W.
Capewell, J. G.
Colchester : Benham,
1973.
Previous ed.: published as 'Geology around the university towns - the Durham area'/ by K.C. Dunham and W. Hopkins. 1958
Bibliography: p.30-31
Geology