Rich Pit Metal/Non-Metal

Martin Marietta Materials Inc. · Surface

Controlled by Martin Marietta Materials Inc

Pueblo, Pueblo County, CO · Active

MSHA Mine ID: 0504186

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Compliance record

MSHA citations since 2022

citations

significant & substantial

$3,941

proposed penalties

$3,941

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	2,908	3	1031.6
2025 Q3	2,479	0	0.0
2025 Q2	3,596	2	556.2
2024 Q3	3,241	0	0.0
2024 Q2	3,698	1	270.4
2024 Q1	2,719	1	367.8
2023 Q3	4,064	1	246.1
2021 Q3	4,061	0	0.0

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

No fatalities recorded at this mine.

1 on file

November 6, 2024 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS

Martin Marietta Materials Inc. · Struck by falling object

EE pulled a locker on top of themselves while attempting to retrieve gloves.