Reference | {Deposit:: LUTTRELL, G.W., 1966, BASE- AND PRECIOUS-METAL AND RELATED ORE DEPOSITS OF VIRGINIA: VIRGINIA DIVISION OF MINERAL RESOURCES, MINERAL RESOURCES REPORT 7, 167 P.}{Deposit:: ROBERTS, J.K., 1928, THE GEOLOGY OF THE VIRGINIA TRIASSIC: VIRGINIA GEOLOGICAL SURVEY BULLETIN 29, 205 P.}{Deposit:: 1920 GEOLMAP VA. GEOL. SURV.: MAPPED ARE}{Reserve-Resource:: ROBERTS (1928)} |