Geology of the Ashby Gap quadrangle, Virginia
By: Thomas M. Gathright II and Paul G. Nystrom, Jr.
Contributors: Nystrom, Paul G., joint author.
Series: Report of investigations - Virginia Division of Mineral Resources ; 36
Publisher: Commonwealth of Virginia, Dept. of Conservation and Economic Development, Division of Mineral Resources
Published: 1974
Place of publication: Charlottesville
Language: eng
Number of pages: 55
Subjects: Geology -- Virginia -- Clarke Co.; Geology -- Virginia -- Loudoun Co.
Notes: Bibliography: p. 48-49.
Includes index.