Underground mines
5
Silver Bell District Mining District
Arizona · 5 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
- Copper
- Manganese
Mines in this district
El Tiro Open Pit Mine
Arizona · Pima County
Unconfirmed Copper Past Producer
Historical mapped workings available
Magonigal Mine
Arizona · Pima County
Unconfirmed Copper Past Producer Mixed Underground/Surface
Documented shaft evidence
Sunset Group
Arizona · Pima County
Unconfirmed Manganese Past Producer Mixed Underground/Surface
Documented shaft/adit evidence
Unnamed Prospect Vhne-156n
Arizona · Pima County
Unconfirmed Copper Occurrence Underground
Historical mapped workings available
Unnamed Prospect Vhne-159n
Arizona · Pima County
Unconfirmed Copper Occurrence Underground
Historical mapped workings available
Related districts
- Wallapai District · 70
- Harshaw District · 56
- Patagonia · 51
- Helvetia-Rosemont District · 43
- Copper Mountain District · 36
- Tyndall · 35
- Globe Hills District · 34
- Pima District · 26
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.