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MSHA mine register by county

Mines in Taos County, New Mexico

Taos County, New Mexico has 30 mines on MSHA's register: 1 active, 8 intermittent, 21 abandoned. 3 miners have died and 1,200 accidents have been reported at these mines between 1983 and 2026. Inspectors have issued 1,944 citations.

Every mine MSHA has registered in Taos County, working or not, with the accident, fatality and citation record each one carries on this site. Active mines are listed first, then the rest by the weight of their record.

Abandoned and historical mine features in Taos County →

Mines on register
30
Active
1
Fatalities on record
3
Citations issued
1,944
1 underground · 26 surface · 3 facilities 0 coal · 30 metal and non-metal 8 intermittent 21 abandoned 1,200 reported accidents, 1983–2026
Local economic context
ⓘ County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Taos County, New Mexico · Population 34,516
0.6%
Mining share of county employment
$58,908
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
On the map 
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MSHA-registered mine, any status

Mines plot only where MSHA holds a surveyed coordinate for the site; mines the agency locates to a town, county or state centroid are in the counts and the list above but not drawn. Click a point for the mine's status and record.

Operators with the most mines herecurrent operator of record
Operator Mines Active Fatalities
Robert Medina & Sons Concrete & Sand Inc 3 0 0
Molycorp Inc 2 0 0
Chevron Mining Inc 1 0 2
Imerys Perlite USA, Inc. 1 0 1
Adobe Sand & Gravel Inc 1 0 0
Choice Aggregate 1 0 0
Dicaperl Minerals LLC 1 0 0
Fernandez Gravel 1 0 0
Gonzales Sand & Gravel 1 0 0
J & R Excavation & Concrete Specialty Inc 1 0 0
Mines in Taos County30 on register
  1. Torres Pit
    Surface metal/non-metal · Taos Gravel Products · MSHA ID 2902489
    Active
  2. Questa Mine & Mill
    Underground metal/non-metal · Chevron Mining Inc · MSHA ID 2901267
    Abandoned
  3. No Agua Mine & Mill
    Surface metal/non-metal · Imerys Perlite USA, Inc. · MSHA ID 2900248
    Intermittent
  4. EL GRANDE
    Surface metal/non-metal · Dicaperl Minerals LLC · MSHA ID 2900250
    Abandoned
  5. Moly Mine & Mill
    Facility metal/non-metal · Molycorp Inc · MSHA ID 2900164
    Abandoned
  6. U S Hill Mine
    Surface metal/non-metal · Oglebay Norton Specialty Minerals Incorporated · MSHA ID 2900608
    Abandoned
  7. Robert Medina & Sons Costilla Pit
    Surface metal/non-metal · Robert Medina & Sons Concrete & Sand Inc · MSHA ID 2902050
    Intermittent
  8. Robert Medina & Sons Taos Pit II
    Surface metal/non-metal · Robert Medina & Sons Concrete & Sand Inc · MSHA ID 2902049
    Intermittent
  9. #1 Crusher Vigil Mine
    Surface metal/non-metal · Vigil's Asphalt & Gravel, LLC · MSHA ID 2902315
    Intermittent
  10. Sand Plant
    Facility metal/non-metal · Taos Gravel Products · MSHA ID 2902432
    Intermittent
  11. Uniperl Or Uniperl Division
    Surface metal/non-metal · Silbrico Corp · MSHA ID 2900249
    Abandoned
  12. PORTABLE #2
    Surface metal/non-metal · Perovich Properties Inc · MSHA ID 2902195
    Abandoned
  13. Medina'S Sunshine Pit
    Surface metal/non-metal · Robert Medina & Sons Concrete & Sand Inc · MSHA ID 2901753
    Abandoned
  14. MTC INC
    Surface metal/non-metal · MTC INC · MSHA ID 2902007
    Intermittent
  15. Torres Pit Gonzales Sand & Gravel
    Surface metal/non-metal · Gonzales Sand & Gravel · MSHA ID 2902063
    Abandoned
  16. Los Cordovas Pit
    Surface metal/non-metal · Silva's Excavation Inc · MSHA ID 2902088
    Intermittent
  17. ORTEGA'S GRAVEL PIT
    Surface metal/non-metal · Ortega's Gravel Pit · MSHA ID 2902221
    Intermittent
  18. Tortuga Mesa Mine
    Surface metal/non-metal · J & R Excavation & Concrete Specialty Inc · MSHA ID 2902297
    Abandoned
  19. Robert Lopez Excavation
    Surface metal/non-metal · Robert Lopez Excavation · MSHA ID 2902405
    Abandoned
  20. BLM Penasco Pit
    Surface metal/non-metal · Fernandez Gravel · MSHA ID 2902083
    Abandoned
  21. Rael's Gravel Machine
    Surface metal/non-metal · Rael Excavation & Co. · MSHA ID 2902261
    Abandoned
  22. #1 Crusher
    Surface metal/non-metal · Choice Aggregate · MSHA ID 2902255
    Abandoned
  23. COSTILLO, LLC
    Surface metal/non-metal · Adobe Sand & Gravel Inc · MSHA ID 2902146
    Abandoned
  24. Martinez Pit
    Surface metal/non-metal · Martinez Brothers Gravel Products Inc · MSHA ID 2902089
    Abandoned
  25. Martinez Pit & Plant
    Surface metal/non-metal · Robert Medina & Sons · MSHA ID 2900477
    Abandoned
  26. Max Ortega Pit
    Surface metal/non-metal · Robert E Rivera Construction Company · MSHA ID 2902113
    Abandoned
  27. Moly Mill
    Facility metal/non-metal · Molycorp Inc · MSHA ID 2900898
    Abandoned
  28. New Mexico Highway Department Mine
    Surface metal/non-metal · New Mexico State Highway Department · MSHA ID 2901703
    Abandoned
  29. Rio Grande Crusher
    Surface metal/non-metal · Rio Norte Aggregates · MSHA ID 2901765
    Abandoned
  30. Rudolph Gallegos Gravel Pit
    Surface metal/non-metal · R & W Sand & Gravel · MSHA ID 2901764
    Abandoned

Status, type and operator are as reported to MSHA. Fatality and accident counts are MSHA's reportable accident records for the mine; citations are inspector-issued violations on record. Each mine's own page carries the full detail.

Other counties in New MexicoAll counties →
How to read these numbers

The register is MSHA's Mine Data Retrieval System: every operation ever assigned a mine ID, including ones abandoned decades ago, so the count is a history of mining in the county, not a count of working mines. A mine's county is the one its operator reported to MSHA. Fatality and accident counts start with MSHA's reportable-accident records (1983 onward); citation counts are inspector-issued violations on record. We are an independent research tool, not MSHA.