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

Twin Sisters

Producer in Summit county in Colorado, United States with commodity Lead
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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. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10108267
MRDS ID DC03960
Record type Site
Current site name Twin Sisters

Geographic coordinates

Geographic coordinates: -105.99171, 39.45027 (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

Boreas Pass(quadrangle 1:24,000 scale)

Bailey(quadrangle 1:100,000 scale)

Denver(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 77W 10 Colorado

Comments on the location information

  • ADDITIONAL LOCATION: 39-27-02N, 105-59-28W

Commodities

Commodity Importance
Lead Primary

Nearby scientific data

(1) -105.99171, 39.45027
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Upper Blue River

Comments on the production information

  • $10,000 TO $20,000

Comments on the workings information

  • ADITS

Comments on development

  • UPPER ADIT IS ON VEIN

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

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.