Underground mines
16
Washington Mining District
California · 16 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
- Chromium
Mines in this district
Arctic Group
California · Nevada County
Unconfirmed Gold Past Producer Underground
Documented adit evidence
Baltic Con Qtz.
California · Nevada County
Unconfirmed Gold Past Producer Underground
Documented adit evidence
Blue Bell Qtz.
California · Nevada County
Unconfirmed Gold Past Producer Underground
Blue Jay Qtz
California · Nevada County
Unconfirmed Gold Past Producer Underground
Historical mapped workings available
Central & Gray Eagle Gp.
California · Nevada County
Unconfirmed Gold Past Producer Underground
Colombia Cons Qtz
California · Nevada County
Unconfirmed Gold Past Producer Underground
Diamond Creek
California · Nevada County
Unconfirmed Gold Past Producer Underground
Eagle Bird Qtz.
California · Nevada County
Unconfirmed Gold Past Producer Underground
Ethel Gold Mining Co.
California · Nevada County
Unconfirmed Gold Past Producer Underground
Historical mapped workings available
Giant King Qtz
California · Nevada County
Unconfirmed Gold Past Producer Underground
Documented adit evidence
Last Chance Qtz
California · Nevada County
Unconfirmed Gold Past Producer Mixed Underground/Surface
Oakman Gp
California · Nevada County
Unconfirmed Gold Past Producer Underground
Historical mapped workings available
Ocean Star
California · Nevada County
Unconfirmed Gold Past Producer Underground
Red Ledge Mine
California · Nevada County
Unconfirmed Chromium Past Producer Mixed Underground/Surface
Historical mapped workings available
Washington Chief Con
California · Nevada County
Unconfirmed Gold Past Producer Mixed Underground/Surface
Yuba Cons
California · Nevada 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.