Hart Rok

Producer in Chaffee county in Colorado, United States with commodity Sand and Gravel, Construction
Warning: This record lacks important information: bibliographic references, which we consider necessary for a comprehensive report.
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. Reporter information

Geologic information

Identification information

Deposit ID 10214682
MAS/MILS ID 0080150312
Record type Site
Current site name Hart Rok

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -106.03309, 38.5308 (WGS84)
Elevation 1052

Site location context

Political divisions (FIPS codes)

Chaffee(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Salida West(quadrangle 1:24,000 scale)

Gunnison(quadrangle 1:100,000 scale)

Montrose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Arkansas Headwaters(hydrologic unit)

Upper Arkansas(hydrologic accounting unit)

Upper Arkansas(hydrologic subregion)

Arkansas-White-Red(hydrologic region)

Geographic areas

Country State County
United States Colorado Chaffee

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 049 N 009 E 05 Colorado

Commodities

Commodity Importance
Sand and Gravel, Construction Primary

Nearby scientific data

Ore Body (1) Gravels and alluviums

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Non-metallic
Significant No

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Hart Rok Ready Mix Concrete
    ID 500991
    Home office Colorado
    Year 1975

Reference information

Reporter information

Type Date Name Affiliation Comment
Reporter 06-FEB-1980 Lansdown U.S. Bureau of Mines

Beyond USGS

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

Current status (per MSHA)

StatusAbandoned since 04/23/1985
MSHA mine ID0500991
Mine name (MSHA)Ulrich Pit Hard Rock #1
Current operatorHard Rock Paving & Redi-Mix Inc
Current controller (parent)John L Ary
Mine typeSurface (Metal / non-metal)

MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.

Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.

Authoritative Colorado resources

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