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MSHA mine register by county

Mines in Summit County, Colorado

Summit County, Colorado has 31 mines on MSHA's register: 1 active, 30 abandoned. 68 accidents have been reported at these mines between 1983 and 2016. Inspectors have issued 438 citations.

Every mine MSHA has registered in Summit 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 Summit County →

Mines on register
31
Active
1
Fatalities on record
0
Citations issued
438
11 underground · 20 surface · 0 facilities 0 coal · 31 metal and non-metal 30 abandoned 68 reported accidents, 1983–2016
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.
Summit County, Colorado · Population 30,857
0.4%
Mining share of county employment
$106,255
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
Flatiron Paving Company 4 0 0
L G Everist Inc 2 0 0
Peak Mtls 2 1 0
Alpine Rock Company 1 0 0
Bemrose Mining Company 1 0 0
C Ryan & Son Inc 1 0 0
Climax Molybdenum Company 1 0 0
Continental Aggregates Inc 1 0 0
Everist Materials LLC 1 0 0
F J Kent Pipeline Company 1 0 0
Mines in Summit County31 on register
  1. Maryland Creek
    Surface metal/non-metal · Peak Mtls · MSHA ID 0503800
    Active
  2. Harriman Quarry
    Surface metal/non-metal · Simon Contractors · MSHA ID 0504745
    Abandoned
  3. Climax Ten Mile Tunnel
    Underground metal/non-metal · Climax Molybdenum Company · MSHA ID 0502255
    Abandoned
  4. ALPINE PIT
    Surface metal/non-metal · Alpine Rock Company · MSHA ID 0503051
    Abandoned
  5. Extec S-5 Track Mounted Screen sn9617
    Surface metal/non-metal · Peak Materials · MSHA ID 0502366
    Abandoned
  6. Portable Crushing Plant #6
    Surface metal/non-metal · Southway Construction Company · MSHA ID 0504849
    Abandoned
  7. Cashier
    Underground metal/non-metal · Windsor Resources (Us) Ltd · MSHA ID 0503861
    Abandoned
  8. Silver Wing
    Underground metal/non-metal · Moly 1 Corp · MSHA ID 0504317
    Abandoned
  9. McCloskey portable screen plant
    Surface metal/non-metal · Everist Materials LLC · MSHA ID 0504970
    Abandoned
  10. Bemrose Placer
    Surface metal/non-metal · Bemrose Mining Company · MSHA ID 0503978
    Abandoned
  11. Bengal Tiger Mine
    Underground metal/non-metal · Strategic American Metals · MSHA ID 0503868
    Abandoned
  12. Big Four Mine
    Underground metal/non-metal · Kellogg Development Corp · MSHA ID 0502309
    Abandoned
  13. Breckenridge Lands Placer
    Surface metal/non-metal · Flatiron Paving Company · MSHA ID 0504018
    Abandoned
  14. Copper Mountain Excavation
    Surface metal/non-metal · Southway Const Co Inc & Asphalt Gravel Prod Inc · MSHA ID 0502738
    Abandoned
  15. Copper Mountain Pit
    Surface metal/non-metal · Flatiron Paving Company · MSHA ID 0503326
    Abandoned
  16. Fourth National Bank Pit
    Surface metal/non-metal · Flatiron Paving Company · MSHA ID 0503290
    Abandoned
  17. Gilrose
    Surface metal/non-metal · Continental Aggregates Inc · MSHA ID 0503816
    Abandoned
  18. Gold Crest
    Underground metal/non-metal · Hard Rock Mining Company · MSHA ID 0503561
    Abandoned
  19. Kokomo Aggregate Plant
    Surface metal/non-metal · C Ryan & Son Inc · MSHA ID 0503165
    Abandoned
  20. Landslide
    Underground metal/non-metal · Mallon Minerals Corp · MSHA ID 0503832
    Abandoned
  21. Mayflower Pit
    Surface metal/non-metal · Plains Aggregate Company · MSHA ID 0502723
    Abandoned
  22. New York Mine
    Underground metal/non-metal · Marquette Minerals Inc · MSHA ID 0503655
    Abandoned
  23. PORTABLE SCREEN
    Surface metal/non-metal · Rock Island Project · MSHA ID 0504723
    Abandoned
  24. Red Wing No 1
    Underground metal/non-metal · Red Wing Mining Company Inc · MSHA ID 0503508
    Abandoned
  25. Silver Wing Mine
    Underground metal/non-metal · Montezuma Silver Corp · MSHA ID 0503154
    Abandoned
  26. Silverthorne
    Surface metal/non-metal · L G Everist Inc · MSHA ID 0502135
    Abandoned
  27. Silverthorne North
    Surface metal/non-metal · L G Everist Inc · MSHA ID 0500979
    Abandoned
  28. Smith Pit
    Surface metal/non-metal · F J Kent Pipeline Company · MSHA ID 0503963
    Abandoned
  29. Tiger Run
    Surface metal/non-metal · Flatiron Paving Company · MSHA ID 0503677
    Abandoned
  30. Vega Mine
    Underground metal/non-metal · Vega Mining Company · MSHA ID 0502765
    Abandoned
  31. Venus Mine
    Surface metal/non-metal · Silver Core Mining Corp · MSHA ID 0503095
    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 ColoradoAll 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.