← Back to search

Portable Crusher Metal/Non-Metal

Mullinax Inc · Surface

Controlled by Nathan Mullinax

Buffalo, Johnson County, WY · Intermittent

MSHA Mine ID: 4801791

Watch this mine

Email me when a new MSHA incident is filed at Portable Crusher.

Fatalities: 0
Total incidents: 1
Years on record: 2023
Latest incident: Sep 2023

Compliance record

MSHA citations since 2015

citations

significant & substantial

$5,723

proposed penalties

$5,723

paid to date

Source: MSHA violations data, updated weekly.

Quarterly safety rates

Citations per million employee-hours, as reported to MSHA

Quarter	Hours worked	Citations	Per 1M hrs
2025 Q4	2,309	0	0.0
2025 Q3	3,509	0	0.0
2025 Q2	2,033	0	0.0
2025 Q1	2,464	0	0.0
2024 Q4	1,985	1	503.8
2024 Q3	4,261	0	0.0
2024 Q2	6,356	0	0.0
2024 Q1	3,751	3	799.8

Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

No fatalities recorded at this mine.

Reportable incidents

1 on file

2023 · 1 incident

September 1, 2023 WY · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE

Mullinax Inc · Caught in, under or between a moving and a stationary object

The crew was moving an 80' wheeled conveyor to the side of the pile. The conveyor was pushed with a skid steer causing it to roll, it went over the chalk block. EE tried to stop it by holding the tire back with EE's body, EE's foot slipped and EE fell into the path of the wheel. It ran over EE's upper leg.