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Hatchery Metal/Non-Metal

Martin Marietta Materials · Surface

Controlled by Martin Marietta Materials Inc

Henderson, Adams County, CO · Active

MSHA Mine ID: 0500954

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Fatalities: 0
Total incidents: 2
Years on record: 2018–2024
Latest incident: Jun 2024

Compliance record

MSHA citations since 2017

citations

significant & substantial

$2,354

proposed penalties

$2,354

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	1,017	0	0.0
2025 Q3	566	0	0.0
2025 Q2	1,769	0	0.0
2025 Q1	1,457	0	0.0
2024 Q4	1,708	0	0.0
2024 Q3	1,602	1	624.2
2024 Q1	3,175	0	0.0
2023 Q4	4,804	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

2 on file

2024 · 1 incident

June 13, 2024 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY

Martin Marietta Materials · Struck by... (Not Elsewhere Classified)

The mobile mechanic was preparing for welding activity by grinding and prepping work area. While using the grinder it kicked back and struck the mechanic on the right cheek causing a laceration.

2018 · 1 incident

March 9, 2018 CO · Metal/Non-Metal master mechanic, foreman, supervisor SLIP OR FALL OF PERSON

Albert Frei & Sons Inc · Fall down stairs

Miner/Supervisor was assisting with a screen change on the 6x20 portable screen plant. Supervisor was exiting the screen walkway and stair when they turned and missed the stair and fell to the ground.