Mining Incidents

Cobb Land Trust Metal/Non-Metal

Controlled by Arthur G Hatfield
Guymon, Texas County, OK  ·  Active
MSHA Mine ID: 3400687

Cobb Land Trust has $39K in proposed MSHA penalties and $0 outstanding across 3 contested dockets, plus health sampling and the full incident record.

Watch this mine

Email me when a new MSHA incident is filed at Cobb Land Trust.

Fatalities
0
Total incidents
0
Years on record
Latest incident
Compliance record
MSHA citations since 2001
84
citations
19
significant & substantial
$38,523
proposed penalties
$32,867
paid to date
85% of proposed penalties paid to date, a $5,656 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
53
inspections on record
518
inspection hours
n/a
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.
Rate withheld: 518 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Cobb Land Trust has $39K in proposed MSHA penalties and $0 outstanding across 3 contested dockets.

Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$39K
proposed penalties
$33K
current assessed
$33K
paid to date
$0
outstanding
84 assessments are final orders; 3 contested dockets.
As of the most recent assessment on 2026-03-03.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Quarterly safety rates
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 751 0 0 0.0
2025 Q3 668 0 0 0.0
2025 Q2 486 0 0 0.0
2025 Q1 337 2 0 5934.7
2024 Q4 418 0 0 0.0
2024 Q3 451 0 0 0.0
2024 Q2 825 1 0 1212.1
2024 Q1 473 2 0 4228.3
Show 90 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 647 0 0 0.0
2023 Q3 598 1 0 1672.2
2023 Q2 518 0 0 0.0
2023 Q1 309 0 0 0.0
2021 Q4 810 2 1 2469.1
2021 Q3 552 0 0 0.0
2021 Q2 699 0 0 0.0
2021 Q1 524 0 0 0.0
2020 Q4 498 1 0 2008.0
2020 Q2 521 0 0 0.0
2020 Q1 557 1 0 1795.3
2019 Q4 671 0 0 0.0
2019 Q3 620 0 0 0.0
2019 Q2 837 0 0 0.0
2019 Q1 705 0 0 0.0
2018 Q4 996 1 0 1004.0
2018 Q3 818 0 0 0.0
2018 Q2 341 0 0 0.0
2018 Q1 388 0 0 0.0
2017 Q4 791 2 1 2528.4
2017 Q3 961 0 0 0.0
2017 Q2 961 0 0 0.0
2017 Q1 961 2 0 2081.2
2016 Q4 541 0 0 0.0
2016 Q3 541 3 0 5545.3
2016 Q2 540 0 0 0.0
2016 Q1 540 0 0 0.0
2015 Q4 540 0 0 0.0
2015 Q3 540 0 0 0.0
2015 Q2 640 0 0 0.0
2015 Q1 1,200 5 2 4166.7
2014 Q4 1,200 0 0 0.0
2014 Q3 1,200 0 0 0.0
2014 Q2 1,032 0 0 0.0
2014 Q1 63 0 0 0.0
2013 Q4 494 1 0 2024.3
2013 Q3 1,027 0 0 0.0
2013 Q2 690 4 1 5797.1
2013 Q1 707 0 0 0.0
2012 Q4 1,449 0 0 0.0
2012 Q3 1,764 0 0 0.0
2012 Q2 1,434 0 0 0.0
2012 Q1 979 0 0 0.0
2011 Q4 1,103 1 0 906.6
2011 Q3 1,672 2 0 1196.2
2011 Q2 1,606 0 0 0.0
2011 Q1 472 2 0 4237.3
2010 Q4 1,289 0 0 0.0
2010 Q3 945 0 0 0.0
2010 Q2 1,125 6 1 5333.3
2010 Q1 903 0 0 0.0
2009 Q4 974 17 6 17453.8
2009 Q2 1,069 9 5 8419.1
2009 Q1 1,040 0 0 0.0
2008 Q4 932 0 0 0.0
2008 Q3 1,379 3 1 2175.5
2008 Q2 1,758 0 0 0.0
2008 Q1 881 0 0 0.0
2007 Q4 588 3 1 5102.0
2007 Q3 1,212 0 0 0.0
2007 Q2 1,316 0 0 0.0
2007 Q1 1,366 0 0 0.0
2006 Q4 968 3 0 3099.2
2006 Q3 1,298 0 0 0.0
2006 Q2 1,659 0 0 0.0
2006 Q1 362 1 0 2762.4
2005 Q4 303 0 0 0.0
2005 Q3 468 0 0 0.0
2005 Q2 409 3 0 7335.0
2005 Q1 320 0 0 0.0
2004 Q4 338 0 0 0.0
2004 Q3 347 0 0 0.0
2004 Q2 206 0 0 0.0
2004 Q1 344 0 0 0.0
2003 Q4 425 2 0 4705.9
2003 Q3 363 0 0 0.0
2003 Q2 543 0 0 0.0
2003 Q1 440 0 0 0.0
2002 Q4 366 0 0 0.0
2002 Q3 269 0 0 0.0
2002 Q2 499 0 0 0.0
2002 Q1 265 0 0 0.0
2001 Q4 364 0 0 0.0
2001 Q3 578 1 0 1730.1
2001 Q2 480 0 0 0.0
2001 Q1 333 0 0 0.0
2000 Q4 692 0 0 0.0
2000 Q3 712 0 0 0.0
2000 Q2 1,021 0 0 0.0
2000 Q1 482 0 0 0.0

No reportable incidents on file.

MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.

For insurers, brokers, and safety consultants

The full compliance file on Cobb Land Trust

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.