British regional geology :
Smith, Bernard, 1881-1936
British regional geology : North Wales / by Bernard Smith and T. Neville George. - London , H.M. Stationery Off. 1961 : - vi, 96 p. : illus., maps (1 fold.) ; 25 cm.
At head of title: Dept. of Scientific and Industrial Research. Geological Survey and Museum.
Bibliography: p. 89-96.
Geology--Wales
QE193
554.29
British regional geology : North Wales / by Bernard Smith and T. Neville George. - London , H.M. Stationery Off. 1961 : - vi, 96 p. : illus., maps (1 fold.) ; 25 cm.
At head of title: Dept. of Scientific and Industrial Research. Geological Survey and Museum.
Bibliography: p. 89-96.
Geology--Wales
QE193
554.29