USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Humboldt County
Crawford Mine
Mindat Confirmed Gold Underground
Key facts
- State
- Nevada
- County
- Humboldt
- Mining district
- National District
- Development status
- Occurrence
- Mine type
- Underground
- Primary commodity
- Gold
- Verification
- Mindat Confirmed
Also known as
- Crawford Tunnel
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Sec 27 T46N R39E Deposit: 300-ft-long nw-trending adit cut into basalt. ; info.src : 1 pub lit Deposit type: Epithermal vein, Comstock Geology: 2 narrow veins containing quartz and calcite were cut by the adit
Additional documented workings
-
Adit
— documented in 1 source record.
Mindat
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 2 shaft symbols
- 8 adit symbols
View individual source records (3)
Every underlying record used to build the summary above, for research/verification use.
-
Adit
Documented in Mindat locality data. Evidence: Sec 27 T46N R39E Deposit: 300-ft-long nw-trending adit cut into basalt. ; info.src : 1 pub lit Deposit type: Epithermal vein, Comstoc…
- USGS MRDS working type: Underground
- MRDS work_type documents underground workings: Underground · work_type
Verification
Mindat Confirmed
Mindat locality corroborates underground workings.
Why confirmed?
Mindat locality corroborates underground workings.
Why it's listed
USGS source data documents underground workings for this record.
History & operations
Historical record
- Development status: Occurrence
Commodities & minerals
Reported minerals
- Calcite
- Quartz
- Gold
- Basalt
- Calcite
- commodity:Gold
- commodity:Silver
- Native Gold
View all 9 reported minerals
- Calcite
- Quartz
- Gold
- Basalt
- Calcite
- commodity:Gold
- commodity:Silver
- Native Gold
- Quartz
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 (2)
- mapped adit symbols (8)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 59684
Supports:
- locality identity
- reported minerals (6)
- underground workings
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Documented shaft/adit evidence