| Reference | {Analytical Data:: SRC.REF: DAVIS, E.G., AND SULLIVAN, G.V., 1971, RECOVERY OF HEAVY MINERALS FROM SAND AND GRAVEL OPERATIONS IN SOUTHEASTERN -U.S.: U.S. BUREAU OF MINES REPT. INV. 7517, 25P.}{Deposit:: BEG, M.A., 1980, ACTIVE MINES AND QUARRIES OF ALABAMA: ALABAMA GEOLOGICAL SURVEY SPEC. MAP 176.}{Deposit:: U.S. BUREAU OF MINES, 1980, SAND AND GRAVEL INDIVIDUAL RESPONDENT TOTALS IN THE COUNTIES OF ALABAMA: U.S. BUREAU OF MINES UNPUBLISHED DATA, 4 P.}{Deposit:: STATE OF ALABAMA, 1980, DIVISION OF SAFETY AND INSPECTION-STATISTICAL ANNUAL REPORT, FISCAL YEAR 1980: DEPARTMENT OF INDUSTRIAL RELATIONS, 53 P.}{Deposit:: SZABO, M.W., 1967, SAND AND GRAVEL IN ALABAMA: ALABAMA GEOLOGICAL SURVEY CIRC. 44, 44 P.}{Deposit:: DAVIS, E.G., AND SULLIVAN, G.V., 1971, RECOVERY OF HEAVY MINERALS FROM SAND AND GRAVEL OPERATIONS IN SOUTHEASTERN U.S.: U.S. BUREAU OF MINES REPT. INV. 7517, 25 P.}{Production:: U.S. BUREAU OF MINES, 1980, SAND AND GRAVEL UNPUB. DATA FOR COUNTIES IN ALABAMA, P. 3.} |