Cobra Stone Lueders Quarry Metal/Non-Metal
Cobra Stone Inc.
· Surface
Controlled by
Pedro E Aguado
Lueders,
Shackelford County,
TX
·
Active
MSHA Mine ID: 4104818
Cobra Stone Lueders Quarry has $50K in proposed MSHA penalties and $0 outstanding across 1 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2010
95
citations
29
significant & substantial
$49,994
proposed penalties
$49,994
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2010
39
inspections on record
528
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: 528 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Cobra Stone Lueders Quarry has $50K in proposed MSHA penalties and $0 outstanding across 1 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.$50K
proposed penalties
$50K
current assessed
$50K
paid to date
$0
outstanding
90 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2025-12-04.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also
the operator's enforcement record
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 | 18,013 | 1 | 0 | 55.5 |
| 2025 Q3 | 35,978 | 0 | 0 | 0.0 |
| 2025 Q2 | 38,478 | 2 | 0 | 52.0 |
| 2025 Q1 | 37,946 | 4 | 3 | 105.4 |
| 2024 Q4 | 40,893 | 0 | 0 | 0.0 |
| 2024 Q3 | 34,151 | 0 | 0 | 0.0 |
| 2024 Q2 | 43,459 | 9 | 3 | 207.1 |
| 2024 Q1 | 36,615 | 0 | 0 | 0.0 |
Show 53 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 34,944 | 2 | 0 | 57.2 |
| 2023 Q3 | 30,901 | 10 | 2 | 323.6 |
| 2023 Q2 | 32,040 | 0 | 0 | 0.0 |
| 2023 Q1 | 43,604 | 0 | 0 | 0.0 |
| 2022 Q2 | 26,223 | 0 | 0 | 0.0 |
| 2022 Q1 | 41,648 | 0 | 0 | 0.0 |
| 2021 Q4 | 25,620 | 4 | 0 | 156.1 |
| 2021 Q3 | 4,549 | 0 | 0 | 0.0 |
| 2021 Q2 | 6,022 | 3 | 0 | 498.2 |
| 2021 Q1 | 6,554 | 0 | 0 | 0.0 |
| 2020 Q4 | 7,777 | 5 | 0 | 642.9 |
| 2020 Q3 | 9,570 | 0 | 0 | 0.0 |
| 2020 Q2 | 11,141 | 2 | 1 | 179.5 |
| 2020 Q1 | 13,904 | 1 | 1 | 71.9 |
| 2019 Q4 | 21,724 | 0 | 0 | 0.0 |
| 2019 Q3 | 26,120 | 0 | 0 | 0.0 |
| 2019 Q2 | 34,329 | 1 | 0 | 29.1 |
| 2019 Q1 | 33,077 | 0 | 0 | 0.0 |
| 2018 Q4 | 24,282 | 2 | 0 | 82.4 |
| 2018 Q3 | 24,795 | 0 | 0 | 0.0 |
| 2018 Q2 | 27,644 | 2 | 1 | 72.3 |
| 2018 Q1 | 25,462 | 2 | 1 | 78.5 |
| 2017 Q4 | 42,218 | 0 | 0 | 0.0 |
| 2017 Q3 | 59,464 | 0 | 0 | 0.0 |
| 2017 Q2 | 50,614 | 4 | 3 | 79.0 |
| 2017 Q1 | 28,022 | 8 | 3 | 285.5 |
| 2016 Q4 | 19,661 | 0 | 0 | 0.0 |
| 2016 Q3 | 20,879 | 3 | 1 | 143.7 |
| 2016 Q2 | 23,051 | 0 | 0 | 0.0 |
| 2016 Q1 | 25,930 | 1 | 0 | 38.6 |
| 2015 Q4 | 35,001 | 0 | 0 | 0.0 |
| 2015 Q3 | 37,774 | 3 | 2 | 79.4 |
| 2015 Q2 | 33,149 | 0 | 0 | 0.0 |
| 2015 Q1 | 20,571 | 4 | 1 | 194.4 |
| 2014 Q4 | 24,623 | 0 | 0 | 0.0 |
| 2014 Q3 | 24,281 | 3 | 2 | 123.6 |
| 2014 Q2 | 19,657 | 0 | 0 | 0.0 |
| 2014 Q1 | 17,329 | 2 | 0 | 115.4 |
| 2013 Q4 | 15,136 | 0 | 0 | 0.0 |
| 2013 Q3 | 11,614 | 0 | 0 | 0.0 |
| 2013 Q2 | 13,520 | 0 | 0 | 0.0 |
| 2013 Q1 | 8,061 | 0 | 0 | 0.0 |
| 2012 Q4 | 12,885 | 1 | 1 | 77.6 |
| 2012 Q3 | 761 | 0 | 0 | 0.0 |
| 2012 Q2 | 521 | 0 | 0 | 0.0 |
| 2012 Q1 | 376 | 2 | 1 | 5319.1 |
| 2011 Q4 | 333 | 0 | 0 | 0.0 |
| 2011 Q3 | 460 | 0 | 0 | 0.0 |
| 2011 Q2 | 337 | 1 | 1 | 2967.4 |
| 2011 Q1 | 295 | 0 | 0 | 0.0 |
| 2010 Q4 | 181 | 0 | 0 | 0.0 |
| 2010 Q3 | 166 | 0 | 0 | 0.0 |
| 2010 Q2 | 243 | 4 | 0 | 16460.9 |
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 Cobra Stone Lueders Quarry
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.