British regional geology : the Midland valley of Scotland - Macgregor, Murray, 1884-; MacGregor, Archibald Gordon, 1894-; London. Museum of Practical Geology (Edinburgh : H. M. Stationery Office, 1948)
At head of title: Department of Scientific and Industrial Research. Geology Survey and Museum
Includes bibliographical references.
Keywords: Geology -- Scotland; Great Britain. -- Geological Survey