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Natrona County Wyomingby Tom AshworthCasperSouth of Casper 11 miles in T32N R79W is the Koch Deposit. It consisted of Koch manganese and feldspar with a seam of black material the cuts granite. The gold and silver are in the black seam. |
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© Mike Higbee's Prospectors Cache / Mike
Higbee / Revised
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