Historic gold producers in Niobrara County (USGS)
USGS records 1 historic gold producer in Niobrara County: 1 past producer and 0 listed as producers or plants. Production years are recorded for 1 sites, from 1880 to 1953.
Show the 1 sites
| Site | USGS status | Output | Commodities | Years |
|---|---|---|---|---|
| Silver Cliff Mine | Past producer | n/a | Uranium, Silver, Radium, Gold, Copper | 1880 to 1953 |
Source: USGS Mineral Resources Data System (retrieved 2026-10-13). The database was last updated around 2011, positions can be approximate and "producer" does not mean a mine is operating today. Sites already matched to an MSHA record are shown in the MSHA tables.
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