Reference | {Deposit:: BUTTS, CHARLES, 1911, IRON ORES IN THE MONTERALLO-COLUMBIANA REGION, ALABAMA: U.S. GEOLOGICAL SURVEY BULL 470, P 215-230.}{Deposit:: BUTTS, CHARLES, 1940, DESCRIPTION OF THE MONTVALLO AND COLUMBIANA QUADRANGLES (ALABAMA): U.S. GEOLOGICAL SURVEY ATLAS FOLIO 226} |