Reference | {Deposit:: CONLEY, J.F. AND TOEWE, E.C., 1968, GEOLOGY OF THE MARTINSVILLE WEST QUADRANGLE, VIRGINIA: VIRGINIA DIVISION OF MINERAL RESOURCES, REPORT OF INVESTIGATIONS, V. 16, 44 P}{Deposit:: 1968 GEOLMAP VA. DIV. MIN. RES.: MAPPED QUADRANGLE} |