| Reference | {Deposit:: STOSE, G.W., AND MISER, H.D., 1922, MANGANESE DEPOSITS OF WESTERN VIRGINIA: VGS BULL 23, 206 P.}{Deposit:: MONROE, W.H., 1942, MANGANESE DEPOSITS OF CEDAR CREEK VALLEY, FREDERICK AND SHENANDOAH COUNTIES, VIRGINIA: USGS BULL 936-E, P. 111-141.}{Deposit:: BUTTS, C., AND EDMUNDSON, R.S., 1966, GEOLOGY AND MINERAL RESOURCES OF FREDERICK COUNTY: VDMR BULL. 80, 142 P.} |