| Reference | {Deposit:: MARTIN, A.J., 1941, GOLD, SILVER, COPPER, LEAD, AND ZINC IN THE EASTERN STATES (MINE REPORT) IN U.S. BUREAU OF MINES, MINERALS YEARBOOK REVIEW OF 1940: P. 315-324.}{Deposit:: WATSON, T.L., 1905, LEAD AND ZINC DEPOSITS OF VIRGINIA: VIRGINIA GEOLOGICAL SURVEY BULLETIN 1, 156 P.}{Deposit:: WOODWARD, H.P., 1938, OUTLINE OF THE GEOLOGY AND MINERAL RESOURCES OF RUSSELL COUNTY, VIRGINIA: VIRGINIA GEOLOGICAL SURVEY BULLETIN 49, 91 P.}{Deposit:: 1899 DIREXPL L.D. CRAWFORD: OPENED MINE}{Deposit:: 1900 DIREXPL BERTHA MINERAL CO.: OPERATED MINE}{Deposit:: 1940 DIREXPL LACY-BUTLER CO.: MILLED DUMP MATERIALS}{Production:: WOODWARD (1938), MARTIN (1941)} |