Mining Incidents

Corliss Resources, LLC operator

Controlled by Heidelberg Materials AG
MSHA operator ID: 0051079
Fatalities
0
Total incidents
38
Mines on record
3
Years on record
2004–2025
Compliance record
MSHA citations since 2003
436
citations
90
significant & substantial
$138,903
proposed penalties
$121,045
paid to date
87% of proposed penalties paid to date, a $17,858 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2003
183
inspections on record
2,937
inspection hours
14.8
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.
436 citations across 2,937 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.
$139K
proposed penalties
$133K
current assessed
$121K
paid to date
$12K
outstanding
434 assessments are final orders; 6 contested dockets.
As of the most recent assessment on 2026-02-12.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

Top causes

Incident timeline

2025
1
2023
1
2022
2
2021
1
2020
2
2018
3
2016
2
2015
2
2013
1
2012
1
2011
4
2010
3
2009
2
2008
3
2007
3
2006
1
2005
4
2004
2

Mines on record

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The full compliance file on Corliss Resources, LLC

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.