| Reference | {Deposit:: SZABO, M. W., 1967, SAND AND GRAVEL IN ALABAMA, A SUMMARY REPORT: ALABAMA GEOLOGICAL SURVEY CIRC 44, 41P}{Deposit:: 1967 RECON ALA. GEOLOGICAL SURVEY}{Deposit:: 1970 RECON U.S. BUREAU OF MINES}{Deposit:: DAVIS, E. G., AND SULLIVAN, G. V., 1970, RECOVERY OF HEAVY MINERALS FROM SAND AND GRAVEL OPERATIONS IN THE SOUTHEASTERN UNITED STATES: U.S. BUREAU OF MINES REPT INV 7517, 38P.} |