TY - RPRT TI - Clay investigations in the southern states 1934-35 AU - Walter B. Lang AU - Philip Burke King AU - M. N. Bramlette AU - Thomas Newkirk McVay AU - Harry S. Bay AU - Arthur Claude Munyan AU - George Rogers Mansfield PY - 1940 DO - 10.3133/b901 UR - https://pubs.usgs.gov/publication/b901 ID - b901 ER -