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MSHA mine register by county

Mines in Power County, Idaho

Power County, Idaho has 9 mines on MSHA's register: 9 abandoned. 19 accidents have been reported at these mines between 1990 and 2024. Inspectors have issued 212 citations.

Every mine MSHA has registered in Power 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 Power County →

Mines on register
9
Active
0
Fatalities on record
0
Citations issued
212
0 underground · 9 surface · 0 facilities 0 coal · 9 metal and non-metal 9 abandoned 19 reported accidents, 1990–2024
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.
Power County, Idaho · Population 8,018
0.1%
Mining share of county employment
$59,760
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
J K Merrill & Sons, Inc. 2 0 0
M G Curtis Company Inc 2 0 0
Gordon H Ball Inc 1 0 0
Great Northwest Mining Corp 1 0 0
Kenneth Hege 1 0 0
Sunroc 1 0 0
Washington Group International Inc 1 0 0
Mines in Power County9 on register
  1. Merrill Pit
    Surface metal/non-metal · J K Merrill & Sons, Inc. · MSHA ID 1001269
    Abandoned
  2. George's Portable Plant
    Surface metal/non-metal · J K Merrill & Sons Incorporated · MSHA ID 1001749
    Abandoned
  3. Wells Cargo Mine
    Surface metal/non-metal · Washington Group International Inc · MSHA ID 1001940
    Abandoned
  4. KPI/JCI P181944
    Surface metal/non-metal · Sunroc · MSHA ID 1002183
    Abandoned
  5. Bonanza Bar Mine
    Surface metal/non-metal · Kenneth Hege · MSHA ID 1001581
    Abandoned
  6. Filter Pit
    Surface metal/non-metal · M G Curtis Company Inc · MSHA ID 1001260
    Abandoned
  7. New Bonanza Bar Mine
    Surface metal/non-metal · Great Northwest Mining Corp · MSHA ID 1001597
    Abandoned
  8. Pit-1445
    Surface metal/non-metal · M G Curtis Company Inc · MSHA ID 1001362
    Abandoned
  9. Witnah Ranch Quarry
    Surface metal/non-metal · Gordon H Ball Inc · MSHA ID 1001256
    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 IdahoAll 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.