British regional geology : Bristol and Gloucester district - Welch, Francis Bryan Awburn; Crookall, Robert, 1890-; Kellaway, G. A.; London. Museum of Practical Geology (London : H. M. Stationery Office, 1948)
At head of title: Department of Scientific and Industrial Research. Geological Survey and Museum.
"Maps & publications dealing with the region: p. 97-99.
Keywords: Geology -- England, Gloucestershire; Geology -- England, Somerst; Great Britain. -- Geological Survey