Buffalo Shaft

Past Producer in Converse 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. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10081125
MRDS ID W032847
MAS/MILS ID 0560090109
Record type Site
Current site name Buffalo Shaft

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -105.52423, 43.08329 (WGS84)
Elevation 1640
Location accuracy 1000(meters)
Relative position 7 MILE SOUTH OF MANNING RANCH; APPROXIMATELY 20 MILES NORTH OF DOUGLAS. Deleted record 10181632 gives location as 43-4-34, -105-31-28 (NAD27), with 1000 ft. accuracy from Main Entrance, which is about 1/2 mile farther south. Someone should plot these points and determine the correct location. Main Entrance should be interpreted to be the shaft.

Site location context

Political divisions (FIPS codes)

Converse(county)

Wyoming(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Whipple Hollow(quadrangle 1:24,000 scale)

Bill(quadrangle 1:100,000 scale)

Newcastle(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lightning(hydrologic unit)

Cheyenne(hydrologic accounting unit)

Cheyenne(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Wyoming Converse

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 036N 072W 20 N2 Wyoming

Comments on the location information

  • CENTER OF N2 TAKEN AS LOCATION

Commodities

Commodity Importance
Uranium Primary

Materials information

Materials Type of material
Pyrite Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Fort Union
    Rock description Fort Union
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Paleocene

Nearby scientific data

Main Entrance (1) -105.52423, 43.08329

Economic information

Geologic structures

Type of structure Regional
Structure description Nw Plunging Anticline

Controls for ore emplacement

  • Down Dip From Altered Reddish Sandstone

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Highland Flats - Box Creek District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Exxon Minerals Co.
    Home office P.O. Box 3020, Casper, Wy. 82602
    Year 1976

Workings at the site

  • Type of workings Underground
    Overall depth 217.93M

Comments on the workings information

  • OPERATE UNDERGROUND URANIUM MINE.

Reference information

Bibliographic references

  • Deposit

    ANNUAL REPORT OF STATE INSPECTED OF MINES OF WYOMING, 1980, P. 50

  • Deposit

    URANIUM GUIDEBOOK FOR WYOMING, 1976, MINOBRAS, P. 8-12

  • Deposit

    SUPPLEMENTAL ENV. RPT, USGS LIB # HO111,W9H53 1977

  • Production

    ANNUAL REPORT OF THE STATE INSPECTOR OF MINES OF WYOMING, 1980, P.50

General comments

Subject category Comment text
General Some sort of "CORRECTION PER CARL BIENIEWSKI - MLA - IFOC" was made to deleted record 10181125. No way to tell what the correction was. This comment could probably be deleted.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-84 Ford, Patti L. (Barari, Rachel A.) U.S. Geological Survey
Editor 13-DEC-10 Wilson, Anna B. U.S. Geological Survey merged and deleted duplicate record 10191125.
Reporter 18-NOV-83 South Dakota School of Mines and Technology (REV) U.S. Bureau of Mines MAS 0560090109 = newMRDS 10081125

Beyond USGS

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

Current status (per MSHA)

StatusAbandoned since 02/16/1982
MSHA mine ID4800946
Mine name (MSHA)Buffalo Shaft
Current operatorExxon Minerals Company
Current controller (parent)Exxon Corp
Mine typeUnderground (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.

External references