Pioneerville — Boise County

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Pioneerville — Boise County

Gold Mining Site ID • Boise County County
Description
Near Grimes Pass, the Pioneerville Summit Flat - Grimes Pass area produced around 25,000 ounces of gold. The Golden Age Mine produced lode gold with lead and silver. The Mammoth Mine produced lode gold. The Comeback Mine was the primary producer of electrum which was 50% gold and 50% silver. In the Grimes Pass area there are numerous old mines.
Historical Notes
Source: Tom Ashworth's Prospectors Cache (tomashworth.com / Mike Higbee / 49erMike). Author: Tom Ashworth. Original page: boise_id.shtml. State index: https://web.archive.org/web/20040830075749/http://www.tomashworth.com/goldloc.shtml Area: Pioneerville. Map coordinates are an approximate county centroid — not a precise claim site. Near Grimes Pass, the Pioneerville Summit Flat - Grimes Pass area produced around 25,000 ounces of gold. The Golden Age Mine produced lode gold with lead and silver. The Mammoth Mine produced lode gold. The Comeback Mine was the primary producer of electrum which was 50% gold and 50% silver. In the Grimes Pass area there are numerous old mines.
Status / Verification historical_site — Legendary or approximate

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