| Reference | {Deposit:: GIBBSON, A.M. 1893, GEOLOGIC STRUCTURE OF MURPHREES VALLEY ITS MINERALS AND OTHER MATERIALS OF ECONOMIC VALUE: ALABAMA GEOLOGICAL SURVEY SPEC. REPT 4, P 89-105}{Deposit:: CLARKE, O.M. JR, 1981, BROWN IRON ORES OF NORTH ALABAMA: ALABAMA GEOLOGICAL SURVEY OPEN FILE.} |