Reference | {Deposit:: STOSE & MISER, 1922, VA GS BULL. 23}{Deposit:: HOLLODAY, C.R., 1980, TETRAVALENT MANGANESE OXIDE MINERALS FROM THE RED BRUSH MINE, CRAIG COUNTY, VIRGINIA, IN CONTRIBUTIONS TO VIRGINIA GEOLOGY - IV: VIRGINIA DIVISION OF MINERAL RESOURCES PUBLICATION 27, P. 53-61.} |