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

Hogback #2 #3 #4

Producer in Douglas county in Colorado, United States with commodity Clay
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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 10264274
MAS/MILS ID 0080350074
Record type Site
Current site name Hogback #2 #3 #4

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -105.08197, 39.48139 (WGS84)
Elevation 1707
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Douglas(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Kassler(quadrangle 1:24,000 scale)

Bailey(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper South Platte(hydrologic unit)

South Platte(hydrologic accounting unit)

South Platte(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Colorado Douglas

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 006 S 069 W 35 Colorado

Commodities

Commodity Importance
Clay Primary

Nearby scientific data

Main Entrance (1) -105.08197, 39.48139
ListMap

Economic information

Economic information about the deposit and operations

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

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Robinson Brick And Tile Co.
    ID 500215
    Interest 100
    Home office Colorado
    Year 1980

Reference information

Bibliographic references

  • Deposit

    REF: COLO DIV MINES SUMM OF MIL IND ACT 1959

  • Deposit

    REF: MINOBRAS

Reporter information

Type Date Name Affiliation Comment
Reporter 17-NOV-1983 Intermountain Field Operations Center (IFOC) 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)

StatusIntermittent since 02/25/2026
MSHA mine ID0500215
Mine name (MSHA)Denver Plant 60 Clay Mines
Current operatorGeneral Shale Brick, Inc.
Current controller (parent)Wienerberger AG
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.

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.