| SWEET SILVER & COPPER NUGGET: CENTRAL MINE, KEWEENAW COUNTY, MICHIGAN, USA - NR! | |
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Description: Work continued until 1898 when all operations ceased. In its 44 years of operation, the Central produced 51 million lbs. of refined copper and a large amount of silver. This mine is a favorite of collectors for its wide variety of minerals that can be found.".Winning Bid: USD $116.5 - 30 bids (Year Sold: 2021 ) |
Found near: Michigan, United States
Approx/Nearest City GPS Coordinates (Lat, Long): (, )
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