Reference | {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U.S. BUREAU OF MINES, 1980, SAND AND GRAVEL INDIVIDUAL RESPONDENT TOTALS IN COUNTIES OF ALABAMA: U.S. BUREAU OF MINES UNPUBLISHED DATA, 4P.}{Deposit:: STATE OF ALABAMA, 1980, DIVISION OF SAFETY AND INSPECTION-STATISTICAL ANNUAL REPORT, FISCAL YEAR, 1980: DEPARTMENT OF INDUSTRIAL RELATIONS, 53P.}{Production:: U.S. BUR MINES UNPUB. SAND AND GRAVEL PRODUCTION FOR ALABAMA COUNTIES, P.2} |