Reference | {Deposit:: BRENT, W.B., 1960, GEOLOGY AND MINERAL RESOURCES OF ROCKINGHAM COUNTY: VIRGINIA DIVISION OF MINERAL RESOURCES, BULLETIN 76, 174 P.}{Deposit:: SCHERFFIUS, W.E., 1969, ZINC-LEAD-FLUORITE MINERALIZATION IN THE SHENANDOAH VALLEY, NORTH-CENTRAL VIRGINIA: UNPUBLISHED M.S. THESIS, CORNELL UNIVERSITY.} |