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Liberty Aggregates LLC Metal/Non-Metal

Liberty Aggregates LLC · Underground

Controlled by Chris Limpus; Harlan Limpus; Wayne Adolphsen

Liberty, Clay County, MO · Active

MSHA Mine ID: 2302513

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Fatalities: 0
Total incidents: 2
Years on record: 2018–2019
Latest incident: Dec 2019

Compliance record

MSHA citations since 2017

221

citations

significant & substantial

$123,762

proposed penalties

$120,757

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	S&S	Per 1M hrs
2025 Q4	12,898	1	0	77.5
2025 Q3	12,962	4	1	308.6
2025 Q2	11,815	5	2	423.2
2025 Q1	9,802	2	1	204.0
2024 Q4	10,769	2	1	185.7
2024 Q3	11,034	4	0	362.5
2024 Q2	12,329	3	1	243.3
2024 Q1	11,734	1	0	85.2

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

No fatalities recorded at this mine.

Reportable incidents

2 on file

2019 · 1 incident

December 18, 2019 MO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE

Liberty Aggregates LLC · Caught in, under or between a moving and a stationary object

EE approached 420 scaler to get the attention of the operator. Operator confirmed by hand signal that operator saw EE. EE came to the window to discuss moving scaler to the side to make room to survey. Operator & scaler prematurely moved the "outrigger" & it was sat on EE's rt foot. Operator immediately raised machine when operator became aware of the incident.

2018 · 1 incident

November 29, 2018 MO · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey SLIP OR FALL OF PERSON

Liberty Aggregates LLC · Fall onto or against objects

Employee was loading blast holes when employee slipped and fell and landed on left elbow.