Reference | {Deposit:: MONROE, W.H., 1942, MANGANESE DEPOSITS OF CEDAR CREEK VALLEY, FREDERICK AND SHENANDOAH COUNTIES, VIRGINIA: USGS BULL 936-E, P. 111-141.}{Deposit:: YOUNG, R.S., AND RADER, E.K., 1974, GEOLOGY OF THE WOODSTOCK, WOLF GAP, CONICVILLE, AND EDINBURG QUADRANGLES, VIRGINIA: VDMR REPT. OF INVESTIGATIONS 35, 69 P.} |