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Keystone — Pennington County

Gold Mining Site SD • Pennington County County
Description
Keystone is in the western part of the county. The gold belt extends from 3.5 miles northwest of town to 1.5 miles southeast of town. The estimated production from 1875-1959 is 85,000 ounces of lode gold, plus unrecorded amount of placer gold. The area along Battle Creek had productive placers. The Keystone-Holy Terror Mine had and estimated production of 76,000 ounces of lode gold and was the most productive in the county.
Historical Notes
Source: Tom Ashworth's Prospectors Cache (tomashworth.com / Mike Higbee / 49erMike). Author: Tom Ashworth. Original page: pennington_sd.shtml. State index: https://web.archive.org/web/20040830075749/http://www.tomashworth.com/goldloc.shtml Area: Keystone. Map coordinates are an approximate county centroid — not a precise claim site. Keystone is in the western part of the county. The gold belt extends from 3.5 miles northwest of town to 1.5 miles southeast of town. The estimated production from 1875-1959 is 85,000 ounces of lode gold, plus unrecorded amount of placer gold. The area along Battle Creek had productive placers. The Keystone-Holy Terror Mine had and estimated production of 76,000 ounces of lode gold and was the most productive in the county.
Status / Verification historical_site — Legendary or approximate

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