| Reference | {Deposit:: HILL, W. T., 1969, MINE GEOLOGY OF THE NEW JERSEY ZINC COMPA}{Deposit:: FLAT GAP MINE AT TREADWAY IN THE COPPER RIDGE DISTRICT IN PA}{Deposit:: THE STRATIGRAPHY AND MINE GEOLOGY OF THE KINGSPORT AND MASCO}{Deposit:: MATIONS (LOWER ORDOVICIAN) OF EAST TENNESSEE: TENN. DIV. GEO}{Deposit:: REPT. INV. 23, P. 76 AND 88.}{Deposit:: MAHER, S. W., 1958, THE ZINC INDUSTRY OF TENNESSEE: TENN. DI}{Deposit:: LOGY INF. CIRC. 6, P. 26.}{Deposit:: USGS CRIB REFERENCE NO. W017146 IS FOR COPPER RIDGE -}{Deposit:: FLAT GAP IN GRAINGER COUNTY.} |