Data / Mines / Wyoming / Glenrock Mine
Glenrock Mine, Converse County, Wyoming: 6 MSHA citations
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
Glenrock Mine is an active leonardite surface mine in Converse County, Wyoming, operated by Black Hills Lignite a Limited Liability Co with 5 employees on MSHA's record (mine ID 4801474). Since January 1, 2022 MSHA inspectors issued 6 citations and orders there with $11,589 in proposed penalties, and 0 accident reports were filed there, with no injury or illness cases.
The request: Watch Glenrock Mine (MSHA mine ID 4801474) in Converse County, Wyoming: each new citation and each accident report. $10 of work on sign-up, no card.
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- MSHA mine ID
- 4801474
- Status
- Active since December 20, 2021
- Main commodity
- Leonardite
- Mine type
- Surface
- County
- Converse County, Wyoming
- Nearest town
- Glenrock
- Operator
- Black Hills Lignite a Limited Liability Co
- Parent company
- Harvest Holdings II LLC
- Employees
- 5
- MSHA field office
- Gillette WY Field Office
- Citations and orders since January 1, 2022
- 6
- Significant and substantial
- 1 (16.7%)
- Closure orders
- 0
- High negligence or reckless
- 1
- Proposed penalties
- $11,589
- Amount paid so far
- $11,446
- Inspections
- 10
- Inspector hours on site
- 55
- Citations per inspection
- 0.60 (all mines 2.30)
- Accident reports
- 0
- Injury and illness cases
- 0
- Fatalities
- 0
- Latest MSHA record
- June 4, 2026
Citations and injury cases by year
Calendar years since 2022; 2026 runs to the date of the MSHA files.
| Year | Citations and orders | Significant and substantial | Proposed penalties | Injury and illness cases |
|---|---|---|---|---|
| 2022 | 4 | 1 | $11,299 | 0 |
| 2023 | 2 | 0 | $290 | 0 |
Standards cited most at Glenrock Mine
Sections of Title 30 of the Code of Federal Regulations named on the citations, with the part each belongs to.
| Standard | What the part covers | Citations |
|---|---|---|
| 30 CFR 56.9300 | Surface metal and nonmetal mines | 2 |
| 30 CFR 56.4201 | Surface metal and nonmetal mines | 1 |
| 30 CFR 56.18002 | Surface metal and nonmetal mines | 1 |
| 30 CFR 41.12 | Notice of legal identity | 1 |
| 30 CFR 47.41 | Hazard communication | 1 |
Other open mines in Converse County, Wyoming
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| Antelope Coal Mine | Navajo Transitional Energy Company, LLC | Converse County, WY | Coal (bituminous) | 430 | 78 |
| Douglas Quarry | Russell Construction Company | Converse County, WY | Construction sand and gravel | 3 | 20 |
| Glenrock Mine 01 | Powder River Proppants, LLC | Converse County, WY | Construction sand and gravel | 10 | 19 |
| B&M Sand and Gravel, Inc. | B&M Sand and Gravel | Converse County, WY | Construction sand and gravel | 3 | 17 |
| Glenrock Mill | Black Hills Lignite a Limited Liability Co | Converse County, WY | Leonardite | 6 | 13 |
| Crusher #1 | 383 Construction LLC | Converse County, WY | Construction sand and gravel | 2 | 12 |
| Douglas Wash Plant | Croell, Inc. | Converse County, WY | Construction sand and gravel | 3 | 11 |
| Screen #1 | 383 Construction LLC | Converse County, WY | Construction sand and gravel | 1 | 7 |
| Jaw Crusher JS3750 | Wyoming Earthmoving Corporation | Converse County, WY | Construction sand and gravel | 4 | 6 |
| West Crusher #4 | Croell, Inc. | Converse County, WY | Crushed, broken limestone | 4 | 2 |
| Dirt Crew #2 | Croell, Inc. | Converse County, WY | Construction sand and gravel | 3 | 1 |
| Q3 | Stone Royale LLC | Converse County, WY | Construction sand and gravel | 3 | 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.