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MSHA mine register by county

Mines in Boone County, Iowa

Boone County, Iowa has 9 mines on MSHA's register: 9 abandoned. 3 accidents have been reported at these mines between 1984 and 1988. Inspectors have issued 17 citations.

Every mine MSHA has registered in Boone 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 Boone County →

Mines on register
9
Active
0
Fatalities on record
0
Citations issued
17
0 underground · 9 surface · 0 facilities 0 coal · 9 metal and non-metal 9 abandoned 3 reported accidents, 1984–1988
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.
Boone County, Iowa · Population 26,669
0.6%
Mining share of county employment
$79,741
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
Boone County Highway Department 2 0 0
D A Wilson Company 1 0 0
Hallett Construction Company 1 0 0
Hallett Materials 1 0 0
M & J Aggregate Corp 1 0 0
Stephens Triple R Aggregate 1 0 0
Story County-Iowa 1 0 0
Weaver Construction Company 1 0 0
Mines in Boone County9 on register
  1. Boone Plant & Pit
    Surface metal/non-metal · Hallett Materials · MSHA ID 1300996
    Abandoned
  2. Pit #1
    Surface metal/non-metal · M & J Aggregate Corp · MSHA ID 1302272
    Abandoned
  3. Screening Plant 1
    Surface metal/non-metal · Stephens Triple R Aggregate · MSHA ID 1302273
    Abandoned
  4. Gast Pit
    Surface metal/non-metal · Hallett Construction Company · MSHA ID 1301021
    Abandoned
  5. Grarok
    Surface metal/non-metal · D A Wilson Company · MSHA ID 1300341
    Abandoned
  6. Hollingsworth Pit
    Surface metal/non-metal · Boone County Highway Department · MSHA ID 1301214
    Abandoned
  7. Jensen Pit
    Surface metal/non-metal · Story County-Iowa · MSHA ID 1301935
    Abandoned
  8. Myers-Hollingsworth Pit Or Boone County
    Surface metal/non-metal · Boone County Highway Department · MSHA ID 1300481
    Abandoned
  9. Stumbo Pit
    Surface metal/non-metal · Weaver Construction Company · MSHA ID 1301246
    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.