Analyses of clay, shale and related materials, southwestern counties
By: [by] Stanley S. Johnson, Marion V. Denny, and D. C. Le Van, in cooperation with the U. S. Bureau of Mines.
Contributors: Denny, Marion V., 1911- joint author.; Le Van, Donald C., joint author.; United States. Bureau of Mines.
Edition: [Rev.]
Published: 1966
Place of publication: Charlottesville
Language: eng
Number of pages: 186
Subjects: Clay -- Virginia.; Shale -- Virginia.; Clay -- Testing.
Notes: Replaces the original issue of 1965, which contained inaccuracies.