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EARLHAM GRADING CREW Metal/Non-Metal

Martin Marietta Materials, Inc. · Surface

Controlled by Martin Marietta Materials Inc

New Harvey, Madison County, IA · Intermittent

MSHA Mine ID: 1301778

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Fatalities: 0
Total incidents: 3
Years on record: 2001–2015
Latest incident: Jul 2015

Compliance record

MSHA citations since 2002

citations

significant & substantial

$3,330

proposed penalties

$3,330

paid to date

Source: MSHA violations data, updated weekly.

Quarterly safety rates

Citations per million employee-hours, as reported to MSHA

Quarter	Hours worked	Per 1M hrs
2025 Q4	0
2025 Q3	0
2025 Q2	961	0.0
2025 Q1	0
2023 Q4	750	0.0
2023 Q3	325	0.0
2023 Q2	382	0.0
2022 Q3	284	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

2015 · 1 incident

July 14, 2015 IA · Metal/Non-Metal outside foreman, leadman DISORDERS (REPEATED TRAUMA)

Martin Marietta Materials, Inc. · Over-exertion (Not Elsewhere Classified)

A nerve test was conducted on July 14th that identified moderate carpal tunnel in both wrists. No direct cause was identified. There is no accident date and time for this condition as it wasn't connected to a single incident.

2014 · 1 incident

November 25, 2014 IA · Metal/Non-Metal mine manager, mine foreman, mine owner OTHER

Martin Marietta Materials, Inc. · (Not Elsewhere Classified)

After the shift at New Harvey EE was alone in the scale house. The leadman had already left for the day. EE had chest pain strong enough that he called his family to come and get him. EE was taken to the hospital, they confirmed he had multiple heart attacks.

2001 · 1 incident

January 5, 2001 IA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman DISORDERS (REPEATED TRAUMA)

Martin Marietta Aggregates Of Southern Iowa Inc · Over-exertion (Not Elsewhere Classified)

EE REPORTED PROBLEMS WITH HER HAND DURING A LAYOFF PERIOD. OVER NEXT COUPLE OF MONTHS EE WAS SEEN BY A DOCTOR AND SURGEON. EE WAS GIVEN FUNCTIONAL NERVE TEST TO DETERMINE IF SHE HAD CARPAL TUNNEL SYNDROME. EE WAS DIAGNOSED WITH CTS AND SURGERY WAS PERFORMED ON 5-14-01. EE RETURNED TO WORK AT REGULAR CAPACITY ON 5-17-01.