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  3. Mineral Resource Data System (MRDS)

Hoffman

Occurrence in Marin county in California, United States with commodity Stone, Crushed/Broken
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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. Ownership information
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10092340
MRDS ID M009200
Record type Site
Current site name Hoffman
Related records 10211957

Geographic coordinates

Geographic coordinates: -122.54328, 38.01629 (WGS84)
Relative position U.S. HIGHWAY 101 1 MI. N. FORBES OVERHEAD.

Site location context

Political divisions (FIPS codes)

Marin(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Novato(quadrangle 1:24,000 scale)

Napa(quadrangle 1:100,000 scale)

Santa Rosa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Pablo Bay(hydrologic unit)

San Francisco Bay(hydrologic accounting unit)

San Francisco Bay(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Marin

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 002N 006W 17 California

Commodities

Commodity Importance
Stone, Crushed/Broken Primary

Nearby scientific data

(1) -122.54328, 38.01629
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Significant No

Ownership information

  • Type Operator
    Owner Rose, Freitas, Rose, Et Al.

Comments on the production information

  • ACTIVE APPROX. 1905-1915.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 51, NO. 3, JULY 1955, P. 287, PL.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey

Beyond USGS

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

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.