Underground mines
6
Hornitos Mining District
California · 6 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
Mines in this district
Mount Gaines
California · Mariposa County
Unconfirmed Gold Past Producer Underground
Documented adit evidence
Number Nine
California · Mariposa County
Unconfirmed Gold Past Producer Mixed Underground/Surface
Documented shaft evidence
Number One
California · Mariposa County
Unconfirmed Gold Past Producer Underground
Historical mapped workings available
Silver Lead
California · Mariposa County
Unconfirmed Gold Past Producer Underground
Documented shaft evidence
Washington
California · Mariposa County
Unconfirmed Gold Past Producer Underground
Historical mapped workings available
Washington Mine
California · Mariposa County
Unconfirmed Gold Past Producer
Historical mapped workings available
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.