Mining Incidents

Stripping #3 Metal/Non-Metal

Controlled by Mark Schildberg
Greenfield, Adair County, IA  ·  Intermittent
MSHA Mine ID: 1302196

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Fatalities
0
Total incidents
10
Years on record
2002–2025
Latest incident
Aug 2025
Compliance record
MSHA citations since 2000
53
citations
4
significant & substantial
$6,338
proposed penalties
$6,338
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 2,308 0 0 0.0
2025 Q3 4,508 0 0 0.0
2025 Q2 3,725 1 0 268.5
2025 Q1 2,194 0 0 0.0
2024 Q4 2,429 0 0 0.0
2024 Q3 925 0 0 0.0
2024 Q2 3,001 0 0 0.0
2023 Q4 3,660 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

10 on file

2025 · 1 incident

2024 · 1 incident

2021 · 1 incident

August 18, 2021 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Schildberg Construction Company Inc · Over-exertion (Not Elsewhere Classified)

Stepped out of cab to get off of machine that EE was measuring. Turned to position self to step down backwards & grab grab-iron. This is the motion that tweaked EE's back. EE was in the parking lot not in the mine itself. EE has prior back issues from past injuries.

2019 · 1 incident

May 30, 2019 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver MACHINERY
Schildberg Construction Company Inc · Struck against a moving object

Loading boulders into employees truck, rocking the truck and hurting their back, mid back pain.

2016 · 1 incident

2015 · 1 incident

January 14, 2015 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Schildberg Construction Company Inc · Struck by... (Not Elsewhere Classified)

Employee was grabbing a spade from the dozer operator and didn't keep mind on task. The spade stuck his lower lip and had to have 2 stitches. Returned to work with no lost time.

2014 · 1 incident

September 13, 2014 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Schildberg Construction Company Inc · Caught in, under or between a moving and a stationary object

Miner was replacing a belt on a conveyor when his finger was pinched. Miner then went to hospital and had his finger stitched and returned to work 9-15-2014 with no restrictions.

2011 · 1 incident

March 29, 2011 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Schildberg Construction Company Inc · Over-exertion in lifting objects

Truck driver was helping excavator operator remove a rock from tracks of excavator.

2004 · 1 incident

February 9, 2004 IA · Metal/Non-Metal truck driver POWERED HAULAGE
Schildberg Construction Company Inc · Caught in, under or between (Not Elsewhere Classified)

EE WAS WORKING ON A HEATER FAN. HE STUCK HIS HAND IN THE HOT AIR DISCHARGE CHANNEL AND CONTACTED THE ROTATING BLADE, CUTTING HIS RIGHT MIDDLE FINGERTIP.

2002 · 1 incident

September 3, 2002 IA · Metal/Non-Metal EXPLOSIVES AND BREAKING AGENTS
Schildberg Construction Company Inc · Accident type, without injuries

AT APPROX 5 AM ON SEPT 3, 02 THE EXPLOSIVES STORAGE MAGAZINE EXPLODED. I FIRST HAD KNOWLEDGE OF THE EXPLOSION AT 6:00 AM AND CALLED MSHA AT APPROX 6:20 AM CST. MAGAZINE WAS LOCATED IN UNION AT THE THAYER QUARRY.