Bristol and Gloucester district Welch, F. B. A. (Francis Bryan Awburn) creator Crookall, Robert 1890- joint author. Kellaway, G. A. Geological Survey of Great Britain Museum of Practical Geology (Great Britain) text enk London H.M. Stationery Off. 1935 monographic eng

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v, 89 p. illus. (incl. maps, tables, diagrs.) XII pl. (incl. fold diagr.) on 10 l. 25 cm. by F.B.A. Welch ... and R. Crookall ... At head of title: Dept. of scientific and industrial research. Geological survey and Museum. "Maps & publications, etc., dealing with the district": p. 87-89. Geology England Bristol Geology England Gloucester QE262.B7 W4 554.2 gs 35000182 U.S. Geol. Survey. Libr. 780418 20260227111339.0 gs 35000182