| References: |
- 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.
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