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.
- Washington, U.S. Govt. print. off., 1940.
- x, 346 p. incl. illus., plans, tables, diagrs. 8 pl. (incl. 7 fold. maps (1 in pocket)) 23 cm.
- U.S. Geological survey. Bulletin 901 .
Projects conducted by the Geological survey under grants from the Federal emergency administration of public works.