Reference | {Deposit:: BURCHARD, E.F. AND OTHERS, 1910, IRON ORES, FUELS AND FLUXES OF THE BIRMINGHAM DISTRICT, ALABAMA: U.S. GEOLOGICAL SURVEY BULL. 400, P. 59-63.}{Deposit:: CLARKE, O.M. JR., 1981, ALABAMA RED IRON ORE: ALABAMA GEOLOGICAL SURVEY OPEN-FILE.} |