Mining Incidents

PLANT #3 Metal/Non-Metal

Controlled by Mark Schildberg
Greenfield, Pottawattamie County, IA  ·  Active
MSHA Mine ID: 1302092

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Fatalities
0
Total incidents
31
Years on record
2000–2025
Latest incident
Aug 2025
Compliance record
MSHA citations since 2000
171
citations
30
significant & substantial
$33,940
proposed penalties
$33,824
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 10,502 0 0 0.0
2025 Q3 0 0 0
2025 Q2 13,366 3 0 224.5
2025 Q1 0 1 0
2024 Q4 0 0 0
2024 Q2 12,420 0 0 0.0
2024 Q1 9,237 2 0 216.5
2023 Q4 11,183 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

31 on file

2025 · 1 incident

August 18, 2025 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Schildberg Construction Company Inc · Caught in, under or between a moving and a stationary object

Hand was caught between pry bar and motor

2023 · 1 incident

April 17, 2023 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON

Employee slipped coming down the steps of the water truck. This caused EE to land on the right leg. Broke a bone in the right leg.

2022 · 1 incident

2021 · 1 incident

February 24, 2021 IA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Schildberg Construction Company Inc · Struck against a moving object

Back dragging the ramp with the loader. Loader came to a sudden stop causing miner to hit head on the side window.

2018 · 1 incident

April 16, 2018 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Schildberg Construction Company Inc · Struck against a moving object

Employee said the Haul truck seat bottomed out going over a bump. The office was notified of the injury on 4/23/2018.

2015 · 1 incident

December 13, 2015 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Schildberg Construction Company Inc · Struck by... (Not Elsewhere Classified)

Was closing the property gate at the entrance and the gate swung striking the employee in the face.

2014 · 1 incident

February 18, 2014 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON

Miner was getting out of the Terex truck and missed the bottom step causing a sore back and leg.

2011 · 1 incident

July 15, 2011 IA · Metal/Non-Metal drill operator SLIP OR FALL OF PERSON
Schildberg Construction Company Inc · Over-exertion (Not Elsewhere Classified)

Employee was moving explosives from magazine to pickup and slipped on condensation from the humidity causing pain in lower back and leg. Did not go to Dr. until 7/18; doctor released him to work and recommended physical therapy. Physical therapist recommended he be taken off work; first missed day was 7/21. Will be off work until follow up appointment on 7/28.

2010 · 1 incident

April 8, 2010 IA · Metal/Non-Metal inspector POWERED HAULAGE
Schildberg Construction Company Inc · Struck against a moving object

Loader was backing away from pile. While he was preparing to turn and move forward, a pickup drove in front of him. Person in pickup was taken to hospital for back pain and released. Missed 3 days of work, released with no restrictions.

2009 · 2 incidents

October 8, 2009 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Schildberg Construction Company Inc · Struck by falling object

Removing a belly pan off of a truck, there was a block in place to prevent pan from falling to ground. When pan was released, landed on injured's hand. Went to the doctor, X-rays were negative for a break. Doc told him to ice it and keep it elevated, and come back the 12th. Oct 12th was released back to work with a 10lb lifting restriction for one week. Missed one day of work.

August 24, 2009 IA · Metal/Non-Metal ledgeman/hand, quarry man HANDTOOLS (NONPOWERED)
Schildberg Construction Company Inc · Struck by... (Not Elsewhere Classified)

Employee was cutting boxes, the knife slipped and cut his right index finger. Required 3 stitches. No restrictions, no lost time.

2008 · 3 incidents

November 17, 2008 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver OTHER
Schildberg Construction Company Inc · Bodily reaction, (Not Elsewhere Classified)

EE was in quarry truck and reached for something, causing a pain in his back. The doctor has removed him from work until 11/21/08.

August 27, 2008 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Schildberg Construction Company Inc · Struck by... (Not Elsewhere Classified)

Working on fuel tank and got a metal flake in his eye. Flushed it out and kept working. Was still irritated the next day, went to dr to have object removed and wash released back to work with no restrictions.

2007 · 4 incidents

September 21, 2007 IA · Metal/Non-Metal inspector SLIP OR FALL OF PERSON

Fell from rock bin. Shirt caught on guard, lost footing and fell to ground. Landed on back, hit head on ground. Went to dr to get checked out. Released to come back to work 9/24 with 10 lb restrictions.

August 10, 2007 IA · Metal/Non-Metal drill operator OTHER
Schildberg Construction Company Inc · Absorption of radiations, caustics, toxic and noxious substances

There are hoods covering the padlocks on the caphouse. When he went to unlock it he was bitten by a bat. There were no lost days, he had to have rabies shots.

July 26, 2007 IA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Schildberg Construction Company Inc · Over-exertion (Not Elsewhere Classified)

He is a loader operator and has had problems with his back before. On July 26, 2007 he had back pain from using levers in loader. Missed work July 27th for Dr appointment. Returned July 30th for an hour and a half, then went home because of pain. Has not been released to full duty yet.

April 20, 2007 IA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Schildberg Construction Company Inc · Over-exertion (Not Elsewhere Classified)

Operating loader, extending back to reach levers and steering, and noticed a sharp pain in his lower back. He missed 11 days of work and was released to come back 5/8/07 with 30 lbs. Lifting restriction. He had elective non-work related surgery on 5/8/07 and did not return to work until 5/15/07. He was released from lifting restrictions on 5/18/07.

2006 · 3 incidents

October 11, 2006 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)

Employee was changing oil in a haul truck when he slipped and caught himself pulling and tearing his left shoulder.

June 9, 2006 IA · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler HANDLING OF MATERIALS
Schildberg Construction Company Inc · Over-exertion in lifting objects

The employee was changing oil in trucks at the mine site. He had opened the hood of the Volvo truck. He let the hood down easy and went on about his business. He returned to finish the truck and did not realize that the hood had latched and gave a strong tug to open it, straining his left shoulder.

2005 · 2 incidents

December 12, 2005 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Schildberg Construction Company Inc · Over-exertion (Not Elsewhere Classified)

Employee was exiting haul truck and slipped. He tried to right himself and in the process twisted his back.

March 30, 2005 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 (Not Elsewhere Classified)

EE WAS HAULING ROCK FROM QUARRY WHEN HE SAW A ROCK ON THE HAUL ROAD. EE GOT OUT OF HIS TRUCK TO REMOVE THE ROCK. WHILE LIFTING THE ROCK, EE SLIPPED AND TWISTED HIS BACK.

2003 · 2 incidents

June 27, 2003 IA · Metal/Non-Metal truck driver POWERED HAULAGE
Schildberg Construction Company Inc · Struck against a moving object

EE WAS HAULING ROCK FROM QUARRY TO BREAKER AND REPORTEDLY NOTICED THAT HE HAD BACK PAIN & TROUBLE STANDING AND WALKING DUE TO ROUGH ROAD AND BOUNCING IN VEHICLE.

June 20, 2003 IA · Metal/Non-Metal miner, nec HANDLING OF MATERIALS
Schildberg Construction Company Inc · Struck by... (Not Elsewhere Classified)

EE WAS TAKING APART A 2" WATERHOSE QUICK CONNECT WHEN IT SUDDEN TO LET GO THE END STRUCK HIM IN THE MOUTH, CUTTING HIS LIP AND CHIPPING HIS TOOTH.

2001 · 3 incidents

July 17, 2001 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator DISORDERS (PHYSICAL AGENTS)

WHILE CONDUCTING ODD JOBS AROUND THE PLANT EMPLOYEE SUFFERED FROM HEAT EXHAUSTION.

May 8, 2001 IA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Schildberg Construction Company Inc · Over-exertion (Not Elsewhere Classified)

EE DEVELOPED LOWER BACK PAIN FROM OPERATING LOADER, LOADING TRUCKS IN QUARRY PIT.

2000 · 3 incidents

April 5, 2000 IA · Metal/Non-Metal truck driver OTHER
Schildberg Construction Company Inc · Struck by flying object

EMPLOYEE GOT A PIECE OF ROCK DUST IN HIS EYE WHILE DRIVING A HAUL TRUCK DUE TO HEAVY WIND. WAS GIVEN A PRESCRIPTION FOR EYE.