Data / Mines / Texas / Flat Rock Hirt Quarry
Flat Rock Hirt Quarry: 0 MSHA citations
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
Flat Rock Hirt Quarry is an intermittent crushed, broken limestone surface mine in Tom Green County, Texas, operated by JWS Blackrock Inc with 3 employees on MSHA's record (mine ID 4105111). Since January 1, 2022 MSHA inspectors issued 0 citations and orders there with $0 in proposed penalties, and 0 accident reports were filed there, with no injury or illness cases.
The request: Watch Flat Rock Hirt Quarry (MSHA mine ID 4105111) in Tom Green County, Texas: each new citation and each accident report. $10 of work on sign-up, no card.
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- MSHA mine ID
- 4105111
- Status
- Intermittent since April 8, 2026
- Main commodity
- Crushed, broken limestone
- Mine type
- Surface
- County
- Tom Green County, Texas
- Nearest town
- Christoval
- Operator
- JWS Blackrock Inc
- Employees
- 3
- MSHA field office
- San Antonio TX Field Office
- Citations and orders since January 1, 2022
- 0
- Inspections
- 6
- Inspector hours on site
- 12
- Citations per inspection
- 0.00 (all mines 2.30)
- Accident reports
- 0
- Injury and illness cases
- 0
- Fatalities
- 0
- Latest MSHA record
- October 13, 2026
Other open mines in Tom Green County, Texas
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| Turner Pit | Csa Materials Inc | Tom Green County, TX | Crushed, broken traprock | 12 | 23 |
| 480SR | BP Surface Solutions, LLC | Tom Green County, TX | Construction sand and gravel | 2 | 6 |
| DCS Quarry 1 | Dove Creek Stone, LLC | Tom Green County, TX | Construction sand and gravel | 8 | 1 |
| Concho Valley Crushing | Concho Valley Crushing | Tom Green County, TX | Crushed, broken limestone | 2 | 0 |
US government work, public domain. Counts come from the MSHA files published on November 6, 2026. An open mine is one MSHA lists as Active, Intermittent, New Mine, Temporarily Idled or NonProducing; 13,673 were open that day. Citations, penalties, inspections and accident reports run from January 1, 2022. A citation is an inspector's allegation and an operator can contest it; the penalty is the amount MSHA first proposed, before any contest or settlement. An operator is the legal entity MSHA assesses, and a parent company is its controller. Mines run by sole proprietors or by individuals are counted in every total and are not named. This page uses MSHA data and is not endorsed or certified by MSHA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.