Data / Mines / Wyoming / Belle Ayr Mine
Belle Ayr Mine, Campbell County, Wyoming: 207 MSHA citations
Updated November 6, 2026. Source: US Department of Labor, Mine Safety and Health Administration (MSHA), Open Government Data Sets.
Belle Ayr Mine is an active coal (bituminous) surface mine in Campbell County, Wyoming, operated by Eagle Specialty Materials LLC with 240 employees on MSHA's record (mine ID 4800732). Since January 1, 2022 MSHA inspectors issued 207 citations and orders there with $158,576 in proposed penalties, and 21 accident reports were filed there, with 21 injury or illness cases.
The request: Watch Belle Ayr Mine (MSHA mine ID 4800732) in Campbell County, Wyoming: each new citation and each accident report. $10 of work on sign-up, no card.
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- MSHA mine ID
- 4800732
- Status
- Active since July 5, 2019
- Main commodity
- Coal (bituminous)
- Mine type
- Surface
- County
- Campbell County, Wyoming
- Nearest town
- Gillette
- Operator
- Eagle Specialty Materials LLC
- Employees
- 240
- MSHA field office
- Gillette WY Field Office
- Citations and orders since January 1, 2022
- 207
- Significant and substantial
- 29 (14.0%)
- Closure orders
- 2
- High negligence or reckless
- 7
- Proposed penalties
- $158,576
- Amount paid so far
- $154,774
- Inspections
- 18
- Inspector hours on site
- 1,206
- Citations per inspection
- 11.50 (all mines 2.30)
- Accident reports
- 21
- Injury and illness cases
- 21
- Fatalities
- 0
- Latest MSHA record
- October 30, 2026
- Citations issued to contractors here
- 14 ($3,785 proposed)
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 | 25 | 5 | $8,284 | 3 |
| 2023 | 73 | 10 | $56,892 | 6 |
| 2024 | 38 | 7 | $54,019 | 5 |
| 2025 | 52 | 7 | $33,709 | 5 |
| 2026 | 19 | 0 | $5,672 | 2 |
Standards cited most at Belle Ayr 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 77.404 | Surface coal mines, safety | 29 |
| 30 CFR 77.1104 | Surface coal mines, safety | 23 |
| 30 CFR 77.502 | Surface coal mines, safety | 16 |
| 30 CFR 77.1110 | Surface coal mines, safety | 13 |
| 30 CFR 77.1605 | Surface coal mines, safety | 13 |
| 30 CFR 77.502-2 | Surface coal mines, safety | 10 |
| 30 CFR 77.516 | Surface coal mines, safety | 9 |
| 30 CFR 77.1606 | Surface coal mines, safety | 9 |
| 30 CFR 77.512 | Surface coal mines, safety | 8 |
| 30 CFR 77.1101 | Surface coal mines, safety | 7 |
| 30 CFR 77.604 | Surface coal mines, safety | 6 |
| 30 CFR 77.400 | Surface coal mines, safety | 5 |
| 30 CFR 77.410 | Surface coal mines, safety | 5 |
| 30 CFR 77.208 | Surface coal mines, safety | 4 |
| 30 CFR 77.904 | Surface coal mines, safety | 4 |
Injury and illness cases at Belle Ayr Mine
Accident reports by degree of injury, as the operator reported them to MSHA.
| Degree | Cases |
|---|---|
| Days away from work or restricted activity | 12 |
| No lost time, or an occupational illness | 9 |
What the accident reports at Belle Ayr Mine describe
Accident classification, as MSHA codes the circumstances that contributed most directly.
| Classification | Reports |
|---|---|
| Slip or fall of person | 5 |
| Machinery | 5 |
| Powered haulage | 4 |
| Handling of materials | 3 |
| All other occupational illnesses | 2 |
| Fire | 1 |
| Stepping or kneeling on object | 1 |
Equipment named in accident reports at Belle Ayr Mine
| Equipment | Reports |
|---|---|
| Ore haulage trucks - off highway trucks | 3 |
| Road grader | 1 |
| Shovel | 1 |
| Trucks | 1 |
| Front-end loader | 1 |
| Pump | 1 |
| Welding machine | 1 |
| Hand tools (powered) | 1 |
| Forklift | 1 |
| Crane | 1 |
Other open mines in Campbell County, Wyoming
| Mine | Operator | County | Main commodity | Employees | Citations since 2022 |
|---|---|---|---|---|---|
| North Antelope Rochelle Mine | Peabody Powder River Mining LLC | Campbell County, WY | Coal (bituminous) | 1,207 | 593 |
| Black Thunder | Thunder Basin Coal Company LLC | Campbell County, WY | Coal (bituminous) | 408 | 394 |
| Caballo Mine | Peabody Caballo Mining, LLC | Campbell County, WY | Coal (bituminous) | 163 | 131 |
| Buckskin Mine | Buckskin Mining Company | Campbell County, WY | Coal (bituminous) | 120 | 130 |
| Rawhide Mine | Peabody Caballo Mining, LLC | Campbell County, WY | Coal (bituminous) | 113 | 120 |
| Eagle Butte Mine | Eagle Specialty Materials LLC | Campbell County, WY | Coal (bituminous) | 232 | 119 |
| Cordero Rojo Mine | Navajo Transitional Energy Company, LLC | Campbell County, WY | Coal (bituminous) | 215 | 79 |
| Coal Creek Mine | Thunder Basin Coal Company LLC | Campbell County, WY | Coal (bituminous) | 36 | 71 |
| Wyodak Mine | Black Hills Energy | Campbell County, WY | Coal (bituminous) | 53 | 45 |
| Dry Fork Mine | Western Fuels-Wyoming Inc | Campbell County, WY | Coal (bituminous) | 67 | 14 |
| 2019 Lippmann 4800 Impactor | Melgaard Construction Company Inc. | Campbell County, WY | Construction sand and gravel | 5 | 10 |
| 2003 Cedar Rapids Electric Jaw | Melgaard Construction Company Inc. | Campbell County, WY | Construction sand and gravel | 5 | 8 |
| 2003 Cedar Rapids Cone Crusher | Melgaard Construction Company Inc. | Campbell County, WY | Construction sand and gravel | 4 | 6 |
| Qac #1 | Quality Agg & Construction Inc | Campbell County, WY | Construction sand and gravel | 4 | 4 |
| Campbell County Crusher | Campbell County Road & Bridge Department | Campbell County, WY | Construction sand and gravel | 0 | 4 |
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.