Johns-Manville

Producer in Conejos county in Colorado, United States with commodity Perlite
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 10239146
MAS/MILS ID 0080210004
Record type Site
Current site name Johns-Manville

Geographic coordinates

Point of reference Plant
Geographic coordinates: -106.01248, 37.07083 (WGS84)
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Conejos(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Antonito(quadrangle 1:24,000 scale)

Antonito(quadrangle 1:100,000 scale)

Durango(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Conejos(hydrologic unit)

Rio Grande Headwaters(hydrologic accounting unit)

Rio Grande Headwaters(hydrologic subregion)

Rio Grande(hydrologic region)

Geographic areas

Country State County
United States Colorado Conejos

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 033 N 009 E 29 Colorado

Commodities

Commodity Importance
Perlite Primary

Nearby scientific data

Plant (1) -106.01248, 37.07083

Economic information

Economic information about the deposit and operations

Operation type Processing Plant
Development status Producer
Commodity type Non-metallic
Significant No

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Johns-Manville Products Corp.
    ID 501883

Reference information

Bibliographic references

  • Deposit

    CBM ANNUAL REPORT 1976

Reporter information

Type Date Name Affiliation Comment
Reporter 17-NOV-1983 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 11/24/2009
MSHA mine ID0501883
Mine name (MSHA)Antonito Plant
Current operatorHarborlite Corporation
Current controller (parent)Imerys S A
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.