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MSHA mine register by county

Mines in Washington County, Kansas

Washington County, Kansas has 9 mines on MSHA's register: 1 active, 8 abandoned. 1 miner has died and 1 accident has been reported at these mines in 2025. Inspectors have issued 167 citations.

Every mine MSHA has registered in Washington 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 Washington County →

Mines on register
9
Active
1
Fatalities on record
1
Citations issued
167
0 underground · 9 surface · 0 facilities 0 coal · 9 metal and non-metal 8 abandoned 1 reported accidents, 2025
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.
Washington County, Kansas · Population 5,519
0.0%
Mining share of county employment
$62,452
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
N R Hamm Quarry Inc 2 0 0
Capital Ready-Mix, LLC 1 1 1
Endicott Clay Products Company 1 0 0
Finlayson Gravel Company 1 0 0
Lottman Ready Mix, LLC 1 0 0
Mueller Sand & Gravel Company Inc 1 0 0
REC Sand&Gravel LLC 1 0 0
Shilling Sand & Gravel Inc 1 0 0
Mines in Washington County9 on register
  1. Hanover Sand Plant
    Surface metal/non-metal · Capital Ready-Mix, LLC · MSHA ID 1401414
    Active
  2. Rahe Pit
    Surface metal/non-metal · REC Sand&Gravel LLC · MSHA ID 1401775
    Abandoned
  3. Hollenberg
    Surface metal/non-metal · Lottman Ready Mix, LLC · MSHA ID 1401804
    Abandoned
  4. FINLAYSON GRAVEL CO
    Surface metal/non-metal · Finlayson Gravel Company · MSHA ID 1400479
    Abandoned
  5. Kansas White Clay Pit
    Surface metal/non-metal · Endicott Clay Products Company · MSHA ID 1401732
    Abandoned
  6. Koehler Quarry
    Surface metal/non-metal · N R Hamm Quarry Inc · MSHA ID 1400259
    Abandoned
  7. Mueller #59
    Surface metal/non-metal · N R Hamm Quarry Inc · MSHA ID 1401452
    Abandoned
  8. Mueller Sand & Gravel Co Inc
    Surface metal/non-metal · Mueller Sand & Gravel Company Inc · MSHA ID 1400518
    Abandoned
  9. Roper Pit
    Surface metal/non-metal · Shilling Sand & Gravel Inc · MSHA ID 1401515
    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 KansasAll 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.