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Astec Portable Metal/Non-Metal

Martin Marietta Materials, Inc. · Surface

Controlled by Martin Marietta Materials Inc

Highland, Doniphan County, KS · Intermittent

MSHA Mine ID: 1401807

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Fatalities: 0
Total incidents: 1
Years on record: 2025
Latest incident: Mar 2025

Compliance record

MSHA citations since 2019

citations

significant & substantial

$1,050

proposed penalties

$1,050

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	821	0	0	0.0
2025 Q3	155	0	0	0.0
2025 Q2	1,083	0	0	0.0
2025 Q1	649	0	0	0.0
2024 Q4	2,606	0	0	0.0
2024 Q3	2,224	0	0	0.0
2024 Q2	6	0	0	0.0
2024 Q1	189	0	0	0.0

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

2025 · 1 incident

March 31, 2025 KS · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON

N R Hamm Quarry LLC · Fall onto or against objects

Employee was performing Pre-Shift inspection, checking fluid levels 0n 374F cat Excavator and mis-placed footing and fell. injured left shoulder catching themselves during the fall. Stepped off a narrow walkway That surrounds the inside of house into the hydraulic hose assemble area for the boom.