01240cam a22002891 4500 gs 61000059 DLC 20260227111410.0 750501s1961 xx 000 0 eng gs 61000059 (OCoLC)1308523 DLC NIC DLC premarc QE262.M65 W4 Welch, F. B. A. (Francis Bryan Awburn) Geology of the country around Monmouth and Chepstow (explanation of sheets 233 and 250) by F. B. A. Welch and F. M. Trotter, with contributions by T. R. M. Lawrie, J. D. D. Smith (palaeontology) [and] R. W. Elliot (petrology) London, H. M. Stationery Off., 1960 [i.e. 1961] viii, 164 p. plate, maps (1 fold.) diagrs. 25 cm. Memoirs of the Geological Survey of Great Britain: England and Wales At head of title: Dept. of Scientific and Industrial Research. Errata slip inserted. Includes bibliographies. Geology England Monmouth. Geology Wales Chepstow. Trotter, F. M. (Frederick Murray), 1897- joint author. Geological Survey of Great Britain. Memoirs: England and Wales. 29523 29523