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  3. Mineral Resource Data System (MRDS)

Grand National

Past Producer in Trinity county in California, 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. Land status
  10. Ownership information
  11. Production statistics
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10287772
MRDS ID X025895
MAS/MILS ID 0061050185
Record type Site
Current site name Grand National
Alternate or previous names Tangle Blue
Related records 10106546

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -122.72921, 41.21174 (WGS84)
Elevation 1829
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Trinity(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tangle Blue Lake(quadrangle 1:24,000 scale)

Mount Shasta(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Trinity(hydrologic unit)

Klamath(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Shasta-Trinity National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Trinity Alps Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Trinity

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 039 N 008 W 25 W2 California

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

Main Entrance (1) -122.72921, 41.21174
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
Year of first production 1930

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Ezra E Erich, French Gulch, Ca
    Home office California
    Year 1972

Production statistics

  • Year 1937
    Period 1934 - 1937
    Description Production Included 1500 Ozs Gold, 2200 Ozs Silver And 1900 Lbs Copper Between 1934 And 1937.

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 04-NOV-1983 Western Field Operations Center (WFOC) 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 California resources

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