Analyses of clay, shale, and related materials--southern counties
By: [by] Palmer C. Sweet, in cooperation with U.S. Bureau of Mines.
Contributors: United States. Bureau of Mines.
Series: Mineral resources report 12
Publisher: Virginia Division of Mineral Resources
Published: 1973
Place of publication: Charlottesville
Language: eng
Number of pages: 183
Subjects: Clay -- Virginia -- Analysis.; Shale -- Virginia -- Analysis.