| Reference | {Deposit:: RANKIN, D.W. AND OTHERS, 1972, GEOLOGIC MAP OF THE WEST HALF OF THE WINSTON SALEM QUADRANGLE, NORTH CAROLINA, VIRGINIA AND TENNESSEE, U.S. GEOLOGICAL SURVEY MISCELLANEOUS INVESTIGATIONS MAP I-709-A.}{Deposit:: SWEET, P.C. AND LOVETT, J.A., 1985, VIRGINIA DIVISION OF MINERAL RESOURCES, VIRGINIA MINERALS, VOL.31, NO.4, P.41-52.}{Deposit:: GREER, ALEX, 1985, PERSONAL COMMUNICATIONS}{Deposit:: OSBORNE, CARL, 1985, PERSONAL COMMUNICATIONS} |