Reference | {Deposit:: STOSE, G.W., MISER, H.D., KATZ, F.J., AND HEWETT, D.F., 1919, MANGANESE DEPOSITS OF THE WEST FOOT OF THE BLUE RIDGE, VIRGINIA: VA. GEOLOGICAL SURVEY BULL. 17, 166 P.}{Deposit:: HARDER, E.C., 1910, MANGANESE DEPOSITS OF THE UNITED STATES: USGS BULL. 427, 298 P.} |