USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Arizona · La Paz County
San Marcos Mine
Unconfirmed Gold Underground
Key facts
- State
- Arizona
- County
- La Paz
- Mining district
- Harquahala District
- Development status
- Past Producer
- Mine type
- Underground
- Primary commodity
- Gold
- Verification
- Unconfirmed
Also known as
- Pittsburg Wilson
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
A former underground Au-Ag-Fe-Cu mine located in North-central sec. 14, T5N, R12W, 4-5 road miles SE of Wenden, northern base of the Harquahala Mountains, on BLM-administered land. Started about 1897. Reopened 1915-1919. Owned at times, or in part, by …
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 7 shaft symbols
- 5 adit symbols
View individual source records (2)
Every underlying record used to build the summary above, for research/verification use.
- USGS MRDS working type: Underground
- MRDS work_type documents underground workings: Underground · work_type
Verification
Unconfirmed
Source records support underground workings, but UndergroundMines has not yet independently verified this mine.
Why it's listed
USGS source data documents underground workings for this record.
History & operations
Historical record
- Development status: Past Producer
Commodities & minerals
Reported minerals
- Gold
- Silver
- Specularite
- commodity:Copper
- commodity:Gold
- commodity:Iron
- commodity:Silver
- Native Gold
Access & recent conditions
- Land
- unknown
Community reports
No community field reports yet.
I Visited This MineSources & evidence
USGS Historical Topographic Mine Features
Type: Historical mapped physical features
Dataset: DOI 10.5066/P9TAALR6
Supports:
- mapped shaft symbols (7)
- mapped adit symbols (5)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 33508
Supports:
- locality identity
- reported minerals (5)
A Mindat locality match does not by itself establish underground workings.
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Documented shaft evidence