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  3. Mineral Resource Data System (MRDS)

American Mill

Past Producer in Park county in Colorado, United States with commodities Gold, Silver, Lead, Zinc, Copper
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Mining district
  9. Mineral rights holdings
  10. Land status
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10118594
MAS/MILS ID 0080930044
Record type Site
Current site name American Mill
Alternate or previous names Record Mill, Alma-American Mill

Geographic coordinates

Point of reference Plant
Geographic coordinates: -106.14199, 39.28277 (WGS84)
Elevation 3414
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Park(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Climax(quadrangle 1:24,000 scale)

Leadville(quadrangle 1:100,000 scale)

Leadville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Platte Headwaters(hydrologic unit)

South Platte(hydrologic accounting unit)

South Platte(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Pike and San Isabel National Forests(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Park

Comments on the location information

  • South side of Mosquito Creek, about 4 miles west of Alma, in the SW/4 NW/4 sec 8, T 9 S, R 78 W.

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Primary
Zinc Critical Secondary
Copper Secondary

Nearby scientific data

Plant (1) -106.14199, 39.28277
ListMap

Economic information

Economic information about the deposit and operations

Operation type Processing Plant
Development status Past Producer
Commodity type Metallic
Significant No
Year of first production 1933
Milling method Flotation

Mining district

District name Alma District

Mineral rights holdings

Type of mineral rights Patented

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Alma American International Corp.
    ID 0570102
    Interest 100
    Home office Colorado
    Year 1993

Comments on development

  • The mill has been dismantled.

Reference information

Bibliographic references

  • Deposit

    USGS CLIMAX QUAD, 7.5 MIN SERIES.

  • Deposit

    BUREAU OF MINES, WAR MINERALS REPORT 194, ALMA DISTRICT,

  • Deposit

    PARK COUNTY, 1943.

  • Deposit

    MSHA.DBF, 1995.

Reporter information

Type Date Name Affiliation Comment
Reporter 10-APR-95 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines
Updater 07-FEB-06 Beach, Richard A. Colorado Geological Survey

Beyond USGS

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

Maps centered on this site

Authoritative Colorado resources

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