| Reference | {Deposit:: BEG,M.A.,1980, ACTIVE MINES AND QUARRIES OF ALABAMA: ALABAMA GEOLOGICAL SURVEY SPEC. MAP 176.}{Deposit:: STATE OF ALABAMA,1980, DIVISION OF SAFETY AND INSPECTION-STATISTICAL ANNUAL REPORT, FISCAL YEAR 1980: DEPARTMENT O-F INDUSTRIAL RELATIONS, 53P.}{Production:: STATE OF ALABAMA, DEPT. INDUSTRIAL RELATIONS, FY 1980, P. 37.} |