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  3. Mineral Resource Data System (MRDS)

Madrill Dredge

Past Producer in Amador 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. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10260216
MRDS ID M004836
MAS/MILS ID 0060050104
Record type Site
Current site name Madrill Dredge

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -120.9345, 38.2251 (WGS84)
Elevation 46
Location accuracy 1000(meters)
Relative position 5 MILES SW OF BUENA VISTA. THE TEXT OF THE REFERENCE LISTS LOCATION AS SEC. 1, 4N, 9E, BUT THE LIST AND PLATE 1 SHOW THE LOCATION GIVEN IN THE PLSS. ALONG MOKELUMNE RIVER

Site location context

Political divisions (FIPS codes)

Amador(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Wallace(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Amador

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004 N 010 E 06 California

Comments on the location information

  • The dredge was on the north side of the Mokelumne River. That area is now underwater. This area is an estimated location.

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

Ore Body (1) -120.9345, 38.2251
ListMap

Economic information

Economic information about the deposit and operations

Operation type Placer
Development status Past Producer
Commodity type Metallic
Significant No
Mining method Dredging

Land status

Ownership category Unknown

Ownership information

  • Type Operator
    Owner George Madrill (Modrell)

Reference information

Bibliographic references

  • Deposit

    US Bureau of Mines Yearbook, 1954 V. 3, P. 201

  • Deposit

    California Journal of MINES AND Geology, V. 50, No. 1, JAN 1954, P. 199, p. 264, and Plate 1, no. 58.

Reporter information

Type Date Name Affiliation Comment
Reporter 23-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.

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.