Reference | {Deposit:: KNECHTEL, M.M., 1943, USGS BULL. 940-F, P. 163-198}{Deposit:: STOSE, G.W.,AND OTHERS, 1919, VIRGINIA GEOLOGICAL SURVEY BULL. 17, P. 99-113}{Production:: REFERENCE(1)}{Reserve-Resource:: REFERENCE(1); UNPUBLISHED COBALT REPORT ; UNPUBLISHED CO.-NI. SUMMARY REPORTS.} |