| 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U.S. BUREAU OF MINES, 1980 SAND AND GRAVEL INDIVIDUAL RESPONDENT TOTALS IN COUNTIES OF ALABAMA: U.S. BUREAU OF MINES UNPUBLISHED DATA, 4P.}{Production:: U.S. BUREAU OF MINES UNPUB, SAND AND GRAVEL PRODUCTION FOR ALABAMA COUNTIES, P. 2.} |