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MSHA mine register by county

Mines in Clarke County, Iowa

Clarke County, Iowa has 3 mines on MSHA's register: 3 abandoned. 1 accident has been reported at these mines in 1983. Inspectors have issued 6 citations.

Every mine MSHA has registered in Clarke 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 Clarke County →

Mines on register
3
Active
0
Fatalities on record
0
Citations issued
6
0 underground · 3 surface · 0 facilities 0 coal · 3 metal and non-metal 3 abandoned 1 reported accidents, 1983
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.
Clarke County, Iowa · Population 9,690
0.0%
Mining share of county employment
$66,821
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
Martin Marietta-Construction Aggregates Division 2 0 0
Martin Marietta Aggregates 1 0 0
Mines in Clarke County3 on register
  1. Osceola Shop
    Surface metal/non-metal · Martin Marietta-Construction Aggregates Division · MSHA ID 1301358
    Abandoned
  2. RIP RAP #1
    Surface metal/non-metal · Martin Marietta Aggregates · MSHA ID 1302242
    Abandoned
  3. Osceola Quarry
    Surface metal/non-metal · Martin Marietta-Construction Aggregates Division · MSHA ID 1300198
    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 IowaAll 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.