The mine was discovered and opened by Stephen Marsden in 1854. The last year of production was in 1952. It was located at 42.3664°N 90.4051°W. It produced lead and zinc. [TheDiggings] The USGS confirms the same location.
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| Roger Kujawa posted While not on the G&SW this is still a cool picture and typical of the mines in the region. |
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| Dennis DeBruler commented on Roger's post The mine produced lead and zinc between 1854 and 1952. It was located at 42.3664°N 90.4051°W. https://thediggings.com/mines/usgs10106444 Photo from: https://picryl.com/media/blackjack-mine-galena-ill |
Higher resolution of the above photos.
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| mindat |
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| mindat |
The Blackjack Mine is in the lower-right corner of this excerpt.
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| 1913 Galena Quad @ 62,500 |
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