Reference | {Deposit:: EDMUNDSON, R.S., 1938, BARITE DEPOSITS OF VIRGINIA: VIRGINIA GEOLOGICAL SURVEY BULLETIN 53, 85 P.}{Deposit:: WATSON, T.S., 1907, SULFATES, IN MINERAL RESOURCES OF VIRGINIA: LYNCHBURG, VIRGINIA, P. 305-327.}{Deposit:: MARR, J.D., 1984, GEOLOGIC MAP OF THE PITTSYLVANIA AND CHATHAM QUADRANGLES, VIRGINIA DIVISION OF MINERAL RESOURCES PUBLICATION NUMBER 49}{Deposit:: VIRGINIA DIVISION OF MINERAL RESOURCES ECONOMIC GIOLOGY FILE 1974} |