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Leavenworth Quarry Metal/Non-Metal

Martin Marietta Materials, Inc. · Surface

Controlled by Martin Marietta Materials Inc

Leavenworth, Leavenworth County, KS · Intermittent

MSHA Mine ID: 1401687

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Fatalities: 0
Total incidents: 3
Years on record: 2014–2019
Latest incident: Aug 2019

Compliance record

MSHA citations since 2008

citations

significant & substantial

$9,699

proposed penalties

$9,699

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	900	1	1111.1
2025 Q3	6	1	166666.7
2025 Q2	0	0
2024 Q4	0	0
2024 Q3	0	0
2024 Q1	460	0	0.0
2023 Q4	447	1	2237.1
2023 Q3	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

3 on file

2019 · 2 incidents

August 10, 2019 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 slipped on a wet conveyor belt while inspecting a splice and their right knee came into contact with the metal chute. Employee received 7 stitches on lacerated area below knee.

July 2, 2019 KS · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS

N R Hamm Quarry LLC · Caught in, under or between a moving and a stationary object

Employee was attempting to move a metal portable folding explosive sign, when employee lifted the sign the legs folded together pinching the employees right middle finger.

2014 · 1 incident

June 18, 2014 KS · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS

N R Hamm Quarry LLC · Caught in, under or between a moving and a stationary object

Removing rocks from cat walk on crusher, rock weighted around 150 lbs. pinky finger got between rock and handrail.