Union Carbide Corp. Mill (Facility)

Past Producer in Natrona county in Wyoming, United States with commodity Uranium
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. Mineral rights holdings
  10. Land status
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10181384
MAS/MILS ID 0560250443
Record type Site
Current site name Union Carbide Corp. Mill (Facility)
Alternate or previous names East Gas Hills Mill (Facility), Gas Hills Operation

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -107.49098, 42.84575 (WGS84)
Elevation 2115
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Natrona(county)

Wyoming(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ervay Basin SW(quadrangle 1:24,000 scale)

Rattlesnake Hills(quadrangle 1:100,000 scale)

Casper(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Wind(hydrologic unit)

Big Horn(hydrologic accounting unit)

Big Horn(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management WY)

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

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Wyoming Natrona

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 033 N 089 W 10, 11, 15 Wyoming

Comments on the location information

  • Deleted duplicate record 10230715 (=MAS 0560130804) gave location as Fremont County, using point of reference as the plant at 42-50-49 107-50-16 NAD27, or 42.84684, -107.83849 WGS84 with accuracy of 10 km.

Commodities

Commodity Importance
Uranium Primary

Nearby scientific data

Ore Body (1) -107.49098, 42.84575

Economic information

Economic information about the deposit and operations

Operation type Processing Plant
Development status Past Producer
Commodity type Metallic
Significant No

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Unknown

Ownership information

  • Type Owner
    Owner Union Carbide Corp.
    ID 4800479
    Year 1980
  • Type Operator
    Owner James Massey, General Superintendent
    Home office Wyoming
    Year 1979

Reference information

Bibliographic references

  • Location

    MINOBRAS, 1986, Uranium guidebook for Wyoming, 63 p. and appendix.

  • Deposit

    MSHA M/NM MINE FILE 1-17-80

  • Deposit

    WYO GEOL SURVEY OPEN FILES.

  • Deposit

    EMJ DIRECTORY OF MINING 1975

General comments

Subject category Comment text
General PO BOX 5100 RIVERTON WYO 82501 457-2311. [from deleted record MAS 0560250274 = newMRDS 10279107]
General MILL MAY CLOSE IN 1986. [from deleted record MAS 0560250274 = newMRDS 10279107]
General USBM PROD TABS (WASH) OWN/OP: UNION CARBIDE CO
General EMJ DIRECTORY OF MINING 1975 CONCENTRATOR FEED CAP: 100
General EMPL: 51 "WYOMING URANIUM MINERS SE
General ON HIGHER PRODUCTION" EMJ DEC 75 PAGES: 61-85 (GOOD)

Reporter information

Type Date Name Affiliation Comment
Reporter 18-NOV-83 Rdm U.S. Bureau of Mines
Reporter 18-NOV-83 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines MAS 0560130804 = newMRDS 10230715, MAS 0560250080 = newMRDS 10230552, merged and deleted.
Editor 11-APR-11 Wilson, Anna B. U.S. Geological Survey MAS 0560130804 = newMRDS 10230715, MAS 0560250274 = newMRDS 10279107, merged and deleted.
Reporter 01-DEC-83 South Dakota School of Mines U.S. Bureau of Mines MAS 0560250274 = newMRDS 10279107

Beyond USGS

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

Current status (per MSHA)

StatusAbandoned since 01/21/1988
MSHA mine ID4800479
Mine name (MSHA)Gas Hills Mill
Current operatorUmetco Minerals Corp
Current controller (parent)Union Carbide Corp
Mine typeFacility (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.