Fossil Rock Resources, LLC. operator
Controlled by
Wolverine Fuels LLC
MSHA operator ID: 0139473
- Fatalities
- 0
- Total incidents
- 10
- Mines on record
- 1
- Years on record
- 2024–2025
Compliance record
MSHA citations since 2016
182
citations
20
significant & substantial
$50,736
proposed penalties
$47,207
paid to date
93% of proposed penalties paid to date, a $3,529 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2016
44
inspections on record
3,308
inspection hours
5.5
citations per 100 inspection hours
ⓘ
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.182 citations across 3,308 inspection hours.
Source: MSHA inspections data, updated weekly.
Penalty disposition
ⓘ
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.$51K
proposed penalties
$51K
current assessed
$47K
paid to date
$4K
outstanding
144 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2026-05-13.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- HANDLING OF MATERIALS 4 non-fatal
- MACHINERY 2 non-fatal
- ELECTRICAL 1 non-fatal
- HANDTOOLS (NONPOWERED) 1 non-fatal
- OTHER 1 non-fatal
- SLIP OR FALL OF PERSON 1 non-fatal
Incident timeline
2025
6
2024
4
Mines on record
Watch this operator
Email me when a new MSHA incident is filed at any Fossil Rock Resources, LLC. mine.
For insurers, brokers, and safety consultants
The full compliance file on Fossil Rock Resources, LLC.
A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.