Reference | {Deposit:: FURCRON, A.S., 1935, JAMES RIVER IRON AND MARBLE BELT, VIRGINIA, VIRGINIA GEOLOGICAL SURVEY BULLETIN 39 (PL.13, P.63).}{Deposit:: ESPENSHADE, G.H., 1954, GEOLOGY AND MINERAL DEPOSITS OF THE JAMES RIVER MANGANESE DISTRICT, U.S. GEOLOGICAL SURVEY BULLETIN 1008 (PL.2).} |