USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Humboldt County
A and H Claim
Unconfirmed Gold Mixed Underground / Surface 2 mapped shafts
Key facts
- State
- Nevada
- County
- Humboldt
- Mining district
- Mill City District; Central District
- Development status
- Occurrence
- Mine type
- Mixed underground / surface
- Primary commodity
- Gold
- Verification
- Unconfirmed
Also known as
- NBMG Sample Site 2630
Mine Location
Approximate AreaDocumented underground workings
-
Shaft
— documented in 2 source records.
USGS Historical Topographic Mine Features
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 2 shaft symbols
- Shaft : Gaskell , 1982
- Shaft : Gaskell , 1982
View individual source records (5)
Every underlying record used to build the summary above, for research/verification use.
-
Shaft
Mapped on historical USGS topographic data (Mine Shaft). Historical map features may no longer exist in the field. -
Shaft
Mapped on historical USGS topographic data (Mine Shaft). Historical map features may no longer exist in the field.
- USGS MRDS working type: Surface/Underground
- Documented in Mindat locality data. Evidence: quartz along the zone, some hematite staining, vein 0.5-1.0 ft wide within shear zone 5-6 ft wide. Old workings are confined to the diorite and to t...
- MRDS work_type documents underground workings: Surface/Underground · work_type
Verification
Unconfirmed
Source records support underground workings, but UndergroundMines has not yet independently verified this mine.
Why it's listed
Source records document both underground and surface mining.
History & operations
Historical record
- Development status: Occurrence
Operators / organizations
- Mert Higgins Investment Corp. (Feb. · Source-reported owner
Commodities & minerals
Reported minerals
- Hematite
- Quartz
- Gold
- commodity:Arsenic
- commodity:Gold
- commodity:Lead
- commodity:Silver
- Diorite
View all 12 reported minerals
- Hematite
- Quartz
- Gold
- commodity:Arsenic
- commodity:Gold
- commodity:Lead
- commodity:Silver
- Diorite
- Hematite
- Native Gold
- Quartz
- Shale
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)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 437038
Supports:
- locality identity
- reported minerals (9)
A Mindat locality match does not by itself establish underground workings.
Related underground mines
Adelaide Crown Mines
Nevada · Humboldt County
Unconfirmed Gold Past Producer Underground
Historical mapped workings available
Golden Eagle Mine
Nevada · Humboldt County
Unconfirmed Gold Producer Underground
Historical mapped workings available
King Midas Group
Nevada · Humboldt County
Mindat Confirmed Gold Occurrence Mixed Underground/Surface
Historical mapped workings available