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

Free America

Occurrence in Summit county in Colorado, United States with commodities Zinc, Lead, Silver, Gold, Copper
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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. Mining district
  10. Production statistics
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10017444
MRDS ID DC03553
Record type Site
Current site name Free America

Geographic coordinates

Geographic coordinates: -106.1945, 39.43249 (WGS84)
Location accuracy 250(meters)

Site location context

Political divisions (FIPS codes)

Summit(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Copper Mountain(quadrangle 1:24,000 scale)

Leadville(quadrangle 1:100,000 scale)

Leadville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Blue(hydrologic unit)

Colorado Headwaters(hydrologic accounting unit)

Colorado Headwaters(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

White River National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Summit

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 07S 79W 15,14 SE4 OF SE4 OF SE4 Colorado

Comments on the location information

  • UNSURVEYED

Commodities

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

Nearby scientific data

(1) -106.1945, 39.43249
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Tenmile - Kokomo

Production statistics

  • Year 1950
    Period 1902-50
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Copper Copper 0%null%
    Minor Gold Gold 6g/mt
    Major Silver Silver 29g/mt
    Major Lead Lead 4%null%
    Major Zinc Zinc 26%null%

Comments on the workings information

  • ADIT IN EMMONS (1898), SHAFT ON TENMILE MINING DISTRICT MAP (1942)

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1973 Conservation Division Files U.S. Geological Survey
Updater 01-APR-1991 Wilson, Anna B. U.S. Geological Survey
Updater 14-AUG-0007 Melton, Greg 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 Colorado resources

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