Reference | {Deposit:: GIBBSON, A.M., 1893, GEOLOGIC STRUCTURE OF MURPHREES VALLEY AND ITS MINERALS AND OTHER MATERIALS OF ECONOMIC VALUE: ALABAMA GEOLOGICAL SURVEY, SPEC. REPT 4, P 89-105.}{Deposit:: CHAPMAN, H.H., 1953, THE IRON AND STEEL INDUSTRIES OF THE SOUTH: UNIVERSITY OF ALABAMA PRESS. UNIVERSITY, ALABAMA, P 42-44.} |