The clay deposits of the Virginia coastal plain - Ries, Heinrich, 1871-1951.; Clark, William Bullock, 1860-1917.; Miller, Benjamin L. (Benjamin LeRoy), 1874-1944. ([Richmond, Va.] Pub. by Board of agriculture and immigration, 1906)
At head of title: Virginia Department of agriculture and immigration ...
Cover-title: A preliminary report on a part of the clays of Virginia ...
Keywords: Clay -- Virginia; Geology -- Virginia