Reference | {Deposit:: KING, P.B., 1943, MANGANESE DEPOSITS OF THE ELKTON AREA, VIRGINIA: USGS BULL. 940-B, P. 15-55.}{Deposit:: ALLEN, R.M., JR., 1967, GEOLOGY AND MINERAL RESOURCES OF PAGE COUNTY: VA. DIV. MIN. RES. BULL. 81, 78 P.}{Deposit:: KING, P.B., 1950, GEOLOGY OF THE ELKTON AREA, VIRGINIA: USGS PROF. PAPER 230, 82 P.}{Deposit:: HOTCHKISS, J., 1884, VIRGINIA MINERALS FOR THE NEW ORLEANS EXPOSITION: THE VIRGINIAS, VOL. 5, NO. 9, P. 179.} |