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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Cobol Mine

Past Producer in Alaska, 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. 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 10160943
MRDS ID A013247
MAS/MILS ID 0021140025
Record type Site
Current site name Cobol Mine
Alternate or previous names Cox-Loberg-Bolyan Prospect, Pinta Bay Mining Company, West Coast Development Company, L & S, South Side Group
Related records 10002334

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -136.21454, 57.85531 (WGS84)
Elevation 230
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Hoonah-Angoon(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sitka D-7(quadrangle 1:63,360 scale)

Sitka NW(quadrangle 1:100,000 scale)

Sitka W OE(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Central Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Tongass National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

West Chichagof-Yakobi Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Copper River 046 S 057 E 29 NWSWNE Alaska

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

Main Entrance (1) -136.21454, 57.85531
ListMap

Economic information

Economic information about the deposit and operations

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

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Wilderness

Ownership information

  • Type Owner-Operator
    Owner Merle E. Loudon And M. L. And C. L. Sanstrom
    Interest 100
    Year 1976

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit DISC. & 9 CLAIMS STAKED 1921. ACTIVE TO CA. 1940. RESTAKED 1963. 24 ACTIVE CLAIMS 1976. ESTIMATED $3500. IN AU PRODUCED FROM 135 TONS IN 1933. APPROX. 1600 FT DRIFT WITH 70 BY 40 FT STOPE ON VEIN; TRENCHES & OPEN PITS; 8-10 FT TUNNEL ON SOUTH-SIDE GROUP. LIGHT-RAIL TRAM BUILT 1923 FROM GOULDING HBR TO MINE (5 MI). CLYDE GROUP ASSUMED TO BE EXTENSION OF COBOL DEPOSIT. COMPOSED OF FISSURE-TYPE QTZ VEIN ALONG QTZ DIORITE-GREEN- STONE CONTACT. USGS CRIB A003113 USGS CRIB A003131 USGS CRIB A003146

Reporter information

Type Date Name Affiliation Comment
Reporter 12-FEB-1988 Map U.S. Bureau of Mines

Beyond USGS

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

External references

Maps centered on this site

Authoritative Alaska resources

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