USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Humboldt County
Grove Group
Unconfirmed Copper Underground
Key facts
- State
- Nevada
- County
- Humboldt
- Development status
- Occurrence
- Mine type
- Underground
- Primary commodity
- Copper
- Verification
- Unconfirmed
Also known as
- Howard Property
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Deposit: Discovery year: 1870's three unpatented claims owned in 1938 by harrison grove and b.w. Hamilton: in the 1870's, several carloads of ore were shipped. In 1937, 2 men were employed in prospecting a vein on the property. Developement consisted o…
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: Occurrence
Operators / organizations
- Harrison Grove And B. W. Hamilton · Source-reported owner
Commodities & minerals
Reported minerals
- Quartz
- Gold
- Silver
- commodity:Copper
- commodity:Gold
- commodity:Silver
- Granite
- Native Gold
View all 9 reported minerals
- Quartz
- Gold
- Silver
- commodity:Copper
- commodity:Gold
- commodity:Silver
- Granite
- Native Gold
- Quartz
Access & recent conditions
- Land
- unknown
Community reports
No community field reports yet.
I Visited This MineSources & evidence
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 429787
Supports:
- locality identity
- reported minerals (6)
A Mindat locality match does not by itself establish underground workings.
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