Spokane Bar

Past Producer in Lewis and Clark county in Montana, United States with commodities Gemstone, Sapphire, Gold
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. Land status
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10173041
MAS/MILS ID 0300490231
Record type Site
Current site name Spokane Bar
Alternate or previous names Spokane Bar Sapphire Mine, American Gem Corp.

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -111.81617, 46.6671 (WGS84)
Elevation 1122
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Lewis and Clark(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hauser Lake(quadrangle 1:24,000 scale)

Canyon Ferry Dam(quadrangle 1:100,000 scale)

White Sulphur Springs(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Missouri(hydrologic unit)

Upper Missouri(hydrologic accounting unit)

Missouri-Marias(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Montana Lewis and Clark

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 011 N 002 W 35 NENWSE Montana

Commodities

Commodity Importance
Gemstone Tertiary
Sapphire Tertiary
Gold Primary

Nearby scientific data

Ore Body (1) -111.81617, 46.6671

Economic information

Economic information about the deposit and operations

Operation type Placer
Development status Past Producer
Commodity type Both
Significant No

Land status

Ownership category Unknown

Ownership information

  • Type Owner-Operator
    Owner American Gem Corp., Greg Dhal
    Home office Helena, Mt
    Year 1995

Comments on the ownership information

  • AS OF 1995, AMERICAN GEM CORP. HAS THE FOLLOWING PROPERTIES: GEM MOUNTAIN, UPPER DRY COTTONWOOD, EL DORADO, LOVESTONE, AND SPOKANE BAR SAPPHIRE LOCATIES.

Reference information

Bibliographic references

  • Deposit

    MONTANA BUREAU OF MINES & GEOLOGY MEMOIR 26, 1948, P. 72.

  • Deposit

    PERSONAL COMMUNICATION WITH ROBIN MUCCULLUCH; MONTANA BUREAU

  • Deposit

    OF MINES & GEOLOGY, BUTTE, MT., AUGUST 1995.

  • Deposit

    U.S. BUREAU OF MINES, 1994, DIRECTORY OF PRINCIPAL U.S.

  • Deposit

    GEMSTONE PRODUCERS IN 1993; U.S. BUREAU OF MINES MINERAL

  • Deposit

    INDUSTRY SURVEYS, P. 35.

Reporter information

Type Date Name Affiliation Comment
Reporter 23-AUG-1995 Lowe, Nathan T. U.S. Bureau of Mines

Beyond USGS

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