Reference | {Deposit:: BRENT, W.B., 1960, GEOLOGY AND MINERAL RESOURCES OF ROCKINGHAM COUNTY: VIRGINIA DIVISION OF MINERAL RESOURCES BULLETIN 76, 174 P.}{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.} |