Reference | {Deposit:: ESPENSHADE, G.H., 1954, GEOLOGY AND MINERAL DEPOSITS OF THE JAMES RIVER-ROANOKE RIVER MANGANESE DISTRICT, VIRGINIA, U.S. GEOLOGICAL SURVEY BULLETIN 1008, 155P. (PL.2).}{Deposit:: FURCRON, A.S., 1935, JAMES RIVER IRON AND MARBLE BELT, VIRGINIA, VIRGINIA GEOLOGICAL SURVEY BULLETING 39, 124P. (PL.13).}{Deposit:: WOOD, A.J., APRIL 1987, PERSONNAL COMMUNICATION.} |