521. [Geological Survey of England and Wales : one inch to the mile map. New Series.] Gosforth, solid, sheet 37
[Geological Survey of England and Wales : one inch to the mile map. New Series.] Gosforth, solid, sheet 37. TIFF. [Southampton ; Chessington, Surrey] : Director General, Ordnance Survey, 1937. princeton-6682x582n. 1937. Great Britain. Ordnance Survey of England. (Third edition) Great Britain. Geological Survey of England and Wales. Sheet 37 solid. Geological Survey...