Mining Incidents
Search Operators Mines Alerts Research Controllers Fatalgrams About
English Español
← All controllers

Mark Schildberg controller

MSHA controller ID: M00097

Watch this controller

Email me when a new MSHA incident is filed at any mine Mark Schildberg controls.

Fatalities
3
Total incidents
286
Mines on record
21
Years on record
1983–2026
Compliance record
MSHA citations since 2000
850
citations
132
significant & substantial
$158,011
proposed penalties
$143,528
paid to date
91% of proposed penalties paid to date, a $14,483 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
854
inspections on record
11,281
inspection hours
7.5
citations per 100 inspection hours
ⓘ This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
850 citations across 11,281 inspection hours.
Source: MSHA inspections data, updated weekly.
Penalty disposition
ⓘ Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$158K
proposed penalties
$144K
current assessed
$144K
paid to date
$0
outstanding
837 assessments are final orders; 8 contested dockets.
As of the most recent assessment on 2026-04-28.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

Top causes

Incident timeline

2026
1
2025
3
2024
1
2023
3
2022
2
2021
4
2020
1
2019
2
2018
5
2017
3
2016
1
2015
3
2014
5
2013
6
2012
1
2011
5
2010
3
2009
11
2008
9
2007
14
2006
10
2005
6
2004
9
2003
11
2002
6
2001
10 (1f)
2000
22
1999
28
1998
21 (1f)
1997
19
1996
4
1995
4
1994
7
1993
4
1992
9
1991
8
1990
6
1989
1 (1f)
1988
4
1987
4
1986
4
1985
3
1984
2
1983
1

Operators under this controller

Mines on record

Fatalities under this controller

3 recorded
October 17, 2001 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · MACHINERY
Schildberg Construction Company Inc · Struck by falling object

WHILE GETTING READY TO MOVE THE EXPLOSIVE STORAGE TRAILER EMPLOYEE WAS REMOVING CRIBBING AND THE BLOCKING UNDER THE TRAILER TRUCKS FAILED CAUSING THE TRAILER TO TIP AND THE EMPLOYEE WAS CRUSHE D UNDER THE WEIGHT OF THE TRAILER.

May 14, 1998 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
Schildberg Construction Company Inc · Caught in, under or between a moving and a stationary object

THE VICTIM WAS IN THE PROCESS OF DUMPING HIS LOADED TEREX TRUCK AT THE WAST DUMP. THE TRUCK TRAVELLED OVER THE EDGE AND THE DRIVER WAS FOUND PINNED UNDER THE LEFT FRONT TIRE.

December 4, 1989 IA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator Fatality · POWERED HAULAGE
Schildberg Construction Company Inc · Caught in, under or between a moving and a stationary object

HE HAD JUST LOADED UP ON THE CUT AND WAS COMING DOWN THE RAMP TO UN-LOAD.THE OPERATORS WITH SCRAPERS HAD BEEN INSTRUCTED TO LOWER THE SCRAPER PANS WHEN GOING DOWN GRADE.HE DROPPED IT TOO MUCH AND STOPPED THE TRACTOR,HE THEN RAISED THE PAN BUT DID NOT LOWER IT AGAIN.THE WEIGHT OF THE LOAD IN THE SCRAPER CAUSED THE TRACTOR TO JACK-KNIFE AND TO UPSET OFF THE EDGE OF THE RAMP.HE WAS TR

For insurers, brokers, and safety consultants

The full compliance file on Mark Schildberg

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.

Get the report ($149) See a sample report Monitor a whole book of operators, $99/mo