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  3. Mineral Resource Data System (MRDS)

Hog Ranch Mine

Plant in Washoe county in Nevada, United States with commodity Gold
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mining district
  10. Mineral rights holdings
  11. Land status
  12. Ownership information
  13. Production statistics
  14. Reserves and resources
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10174963
MAS/MILS ID 0320310311
Record type Site
Current site name Hog Ranch Mine
Alternate or previous names Western Hog Ranch Mine, Bell Springs Deposit, Hog Group

Geographic coordinates

Point of reference Pit
Geographic coordinates: -119.45522, 41.16237 (WGS84)
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Washoe(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Butte Spring(quadrangle 1:24,000 scale)

High Rock Canyon(quadrangle 1:100,000 scale)

Vya(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Smoke Creek Desert(hydrologic unit)

Black Rock Desert(hydrologic accounting unit)

Black Rock Desert-Humboldt(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Nevada Washoe

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 038 N 022 E Nevada

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

Pit (1) -119.45522, 41.16237
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Significant No
Mining method Open Pit
Year of first production 1986
Plant type Leach
Milling method Heap Leach-Carbon Column-Merrill-Crowe

Mining district

District name Leadville District

Mineral rights holdings

Type of mineral rights Located Claim
Type of mineral rights Patented
Type of mineral rights Other

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Western Mining Corp.
    ID 2601954
    Interest 100
    Home office Colorado
    Year 1996
  • Type Owner
    Owner Western Goldfield Co.
    Interest 50
    Home office Canada
    Year 1986
  • Type Owner
    Owner Geomex Minerals
    Interest 30
    Home office Canada
    Year 1986
  • Type Owner
    Owner Montagu Mining Investments
    Interest 10
    Home office Canada
    Year 1986
  • Type Owner
    Owner Orofino Resources
    Interest 10
    Home office Canada
    Year 1986

Production statistics

  • Year 1991
    Description Au 25413 Oz
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 790432.76g
  • Year 1995
    Description Gold Production (Unknown) T Oz/Yr

Comments on the production information

  • HEAP LEACH OPERATION. 1988 AU PROD.= 50,000 OZ. 1989 AU PROD. = 26,273 OZ. FROM 657,390 MT ORE. 1989 RESERVE = ONLY 29,000 OZ AU. HEAP LEACH OPERATION RECOVERED 7405 T OZ GOLD IN 1994.

Reserves and resources

  • Type In-situ
    Estimate year 1986
    Demonstrated 4450000mt ore
    Total resources 4450000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 2.5 g/mt Gold Major 1986

Comments on the reserve resource information

  • RESERVES DEPLETED, MINING STOPPED 1993, DECOMMISSIONING AND RECLAMATION WILL CONTINUE UNTIL 1997.

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method OPEN PIT

Comments on the workings information

  • HIGH CLAY CONTENT OF ORE MATERIAL HAS CAUSED THE HEAP TO HAVE A VERY LOW PERMEABILITY, RESULTING IN LOWER THAN EXPECTED GOLD RECOVERY. THE DATA WERE COMPILED FROM U.S. BUREAU OF MINES FILES.

Reference information

Bibliographic references

  • Deposit

    MINING JOURNAL, DTD 8/22/86, P.132

  • Deposit

    NEVADA MINING ASSOC. BULLETIN, NOV-DEC 86, P.5

  • Deposit

    NEV. DIV. MINE INSPECTION, 1988, DIRECTORY OF NEVADA MINE

  • Deposit

    OPERATIONS ACTIVE DURING CALENDAR YEAR 1987, P. 77.

  • Deposit

    MILLER, M.S., 1993, U.S. BUREAU OF MINES, OPEN FILE REPORT,

  • Deposit

    MLA 7/93, P75.

  • Deposit

    RANDOL, 1996/97, MINING DIRECTORY, U.S. MINES & MINING

  • Deposit

    COMPANIES, P250.

  • Deposit

    WMC, 1993 ANNUAL REPORT.

  • Deposit

    AMERICAN MINES HANDBOOK, 1996, P242.

  • Deposit

    NATIONAL ASSESSMENT, 1995, DEPOSIT DATA BASE, #127.

Reporter information

Type Date Name Affiliation Comment
Reporter 13-JAN-97 Buckingham, David A. U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Current status (per MSHA)

StatusAbandoned since 07/01/1996
MSHA mine ID2601954
Mine name (MSHA)Western Hog Ranch Company
Current operatorWestern Hog Ranch Company
Current controller (parent)Westminer (Canada) Limited
Mine typeSurface (Metal / non-metal)

MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.

Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.

Maps centered on this site

Authoritative Nevada resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.