Underground mines
7
Dutch Flat Mining District
California · 7 underground-eligible mines · USGS MRDS district assignment
Verified
0
Relationship confidence
AUTHORITATIVE (USGS dep_id)
District overview
Mining district documented in USGS MRDS for underground-eligible catalog records.
Major commodities
- Gold
- Lead
Mines in this district
Big Blue
California · Placer County
Unconfirmed Gold Past Producer Underground
Debb Mine
California · Placer County
Unconfirmed Gold Past Producer Underground
Historical mapped workings available
Dorer
California · Placer County
Unconfirmed Lead Past Producer Underground
Documented adit evidence
Gem Mine
California · Placer County
Unconfirmed Gold Past Producer Underground
Historical mapped workings available
Number Two Mine
California · Placer County
Unconfirmed Gold Past Producer Mixed Underground/Surface
Rawhide Consolidated
California · Placer County
Unconfirmed Gold Past Producer Mixed Underground/Surface
Documented adit evidence
Shady Run
California · Placer County
Unconfirmed Gold Past Producer Underground
Related districts
- Grass Valley · 63
- Nevada City · 39
- Ophir · 32
- East Shasta Copper-Zinc · 32
- French Gulch · 24
- New Almaden · 20
- East Mayacmas · 20
- West Shasta Copper-Zinc · 20
Sources
- USGS Mineral Resources Data System (MRDS) — District assignment from USGS MRDS Districts table joined by dep_id.
No district boundary polygons are shown. Membership is not inferred from map proximity.