Mining Incidents

Mobile Jaw Crusher Metal/Non-Metal

Controlled by Keith Hughes
Big Piney, Sublette County, WY  ·  Active
MSHA Mine ID: 4801807

Mobile Jaw Crusher has $1K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
0
Years on record
Latest incident
Compliance record
MSHA citations since 2021
6
citations
1
significant & substantial
$1,069
proposed penalties
$1,069
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2018
15
inspections on record
136
inspection hours
n/a
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.
Rate withheld: 136 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Mobile Jaw Crusher has $1K in proposed MSHA penalties and $0 outstanding across 0 contested dockets.

Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$1K
proposed penalties
$1K
current assessed
$1K
paid to date
$0
outstanding
6 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-09-17.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Quarterly safety rates
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 580 0 0 0.0
2025 Q3 1,216 3 1 2467.1
2025 Q2 511 0 0 0.0
2025 Q1 636 0 0 0.0
2024 Q4 534 0 0 0.0
2024 Q3 982 0 0 0.0
2024 Q2 1,645 0 0 0.0
2024 Q1 1,717 0 0 0.0
Show 24 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 2,300 0 0 0.0
2023 Q3 2,844 1 0 351.6
2023 Q2 1,376 0 0 0.0
2023 Q1 2,046 0 0 0.0
2022 Q4 627 0 0 0.0
2022 Q3 1,573 1 0 635.7
2022 Q2 1,868 0 0 0.0
2022 Q1 639 0 0 0.0
2021 Q4 937 0 0 0.0
2021 Q3 1,721 1 0 581.1
2021 Q2 1,429 0 0 0.0
2021 Q1 591 0 0 0.0
2020 Q4 1,042 0 0 0.0
2020 Q3 2,225 0 0 0.0
2020 Q2 1,731 0 0 0.0
2020 Q1 343 0 0 0.0
2019 Q4 1,280 0 0 0.0
2019 Q3 1,814 0 0 0.0
2019 Q2 1,044 0 0 0.0
2019 Q1 423 0 0 0.0
2018 Q4 878 0 0 0.0
2018 Q3 2,079 0 0 0.0
2018 Q2 925 0 0 0.0
2018 Q1 160 0 0 0.0

No reportable incidents on file.

MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.

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The full compliance file on Mobile Jaw Crusher

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.