TY  - BOOK
AU  - Clarke,Otis M.
TI  - Residual clays of the Piedmont province in Alabama
AV  - QE471 .C57
PY  - 1963///
CY  - University, Ala.
KW  - Clay
KW  - Alabama
KW  - Geology
N1  - Prepared in cooperation with the Bureau of Mines, U. S. Dept. of the Interior; Bibliography: p. 59-60
ER  -