Clay investigations in the Southern States 1934-35 / reports by W.B. Lang, P.B. King, M.N. Bramlette, T.N. McVay, H.X. Bay, and A.C. Munyan ; with an introduction by G.R. Mansfield.
Publication Info.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1940.
Washington : United States Government Printing Office