Corning Tunnel (Cold Spring; Alamakee; St. Joe; Blackhawk; Cash Occurrence), Gold Hill District, Boulder Co., Colorado, USA
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Deposit:: CONSV. DIV. COMP. DATE, 1,62
Commodities (Major) - Gold
Development Status: Occurrence
Produced from a number of veins including the Slide and Klondyke.
8 entries listed. 8 valid minerals.
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U.S. Geological Survey Professional Paper 223