| Reference | {Deposit:: STOSE, G.W., AND MISER, H.D., 1922, MANGANESE DEPOSITS OF WESTERN VIRGINIA: VA. GEOLOGICAL SURVEY BULL. 23, 206 P.}{Deposit:: RADER, E.K., AND BIGGS, T.H., 1976, GEOLOGY OF THE STRASBURG AND TOMS BROOKS QUADRANGLES, VIRGINIA: VA. DIV. MIN. RES., REPT. OF INVESTIGATIONS 45, 104 P.}{Deposit:: HARDER, E.C., 1910, MANGANESE DEPOSITS OF THE UNITED STATES: USGS BULL. 427, P 68.}{Deposit:: MORRILL, P., 1972, VIRGINIA MINES AND MINERALS: ROCKS AND MINERALS MAGAZINE, VOL. 47, NO. 7-8, P. 438-441.}{Production:: HARDER, 1910} |