Yellow Buck Matterhorn & Buckskin Metal/Non-Metal
Dunbar Stone Company Inc
· Surface
Controlled by
Frances F Dunbar
ASH FORK,
Coconino County,
AZ
·
Intermittent
MSHA Mine ID: 0202810
Yellow Buck Matterhorn & Buckskin has $2K in proposed MSHA penalties and $0 outstanding across 1 contested dockets, plus health sampling and the full incident record.
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Email me when a new MSHA incident is filed at Yellow Buck Matterhorn & Buckskin.
- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2000
14
citations
3
significant & substantial
$1,813
proposed penalties
$1,813
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
29
inspections on record
253
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: 253 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Yellow Buck Matterhorn & Buckskin has $2K 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.$2K
proposed penalties
$2K
current assessed
$2K
paid to date
$0
outstanding
14 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2006-07-27.
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 | 160 | 0 | 0 | 0.0 |
| 2025 Q3 | 1,416 | 0 | 0 | 0.0 |
| 2025 Q2 | 1,512 | 0 | 0 | 0.0 |
| 2025 Q1 | 1,224 | 0 | 0 | 0.0 |
| 2024 Q4 | 840 | 0 | 0 | 0.0 |
| 2024 Q3 | 568 | 0 | 0 | 0.0 |
| 2024 Q2 | 208 | 0 | 0 | 0.0 |
| 2024 Q1 | 96 | 0 | 0 | 0.0 |
Show 90 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 48 | 0 | 0 | 0.0 |
| 2023 Q3 | 8 | 0 | 0 | 0.0 |
| 2023 Q2 | 320 | 0 | 0 | 0.0 |
| 2023 Q1 | 2,040 | 0 | 0 | 0.0 |
| 2022 Q4 | 2,032 | 0 | 0 | 0.0 |
| 2022 Q3 | 2,088 | 0 | 0 | 0.0 |
| 2022 Q2 | 984 | 0 | 0 | 0.0 |
| 2022 Q1 | 560 | 0 | 0 | 0.0 |
| 2021 Q4 | 1,008 | 0 | 0 | 0.0 |
| 2021 Q3 | 1,200 | 0 | 0 | 0.0 |
| 2021 Q2 | 1,640 | 0 | 0 | 0.0 |
| 2021 Q1 | 1,568 | 0 | 0 | 0.0 |
| 2020 Q4 | 1,312 | 0 | 0 | 0.0 |
| 2020 Q3 | 1,368 | 0 | 0 | 0.0 |
| 2020 Q2 | 1,080 | 0 | 0 | 0.0 |
| 2020 Q1 | 1,512 | 0 | 0 | 0.0 |
| 2019 Q4 | 1,520 | 0 | 0 | 0.0 |
| 2019 Q3 | 1,680 | 0 | 0 | 0.0 |
| 2019 Q2 | 1,320 | 0 | 0 | 0.0 |
| 2019 Q1 | 1,112 | 0 | 0 | 0.0 |
| 2018 Q4 | 1,272 | 0 | 0 | 0.0 |
| 2018 Q3 | 752 | 0 | 0 | 0.0 |
| 2018 Q2 | 424 | 0 | 0 | 0.0 |
| 2018 Q1 | 600 | 0 | 0 | 0.0 |
| 2017 Q4 | 1,616 | 0 | 0 | 0.0 |
| 2017 Q3 | 0 | 0 | 0 | |
| 2017 Q2 | 0 | 0 | 0 | |
| 2017 Q1 | 0 | 0 | 0 | |
| 2016 Q4 | 256 | 0 | 0 | 0.0 |
| 2016 Q3 | 0 | 0 | 0 | |
| 2016 Q2 | 0 | 0 | 0 | |
| 2016 Q1 | 48 | 0 | 0 | 0.0 |
| 2015 Q4 | 0 | 0 | 0 | |
| 2015 Q3 | 0 | 0 | 0 | |
| 2015 Q2 | 0 | 0 | 0 | |
| 2015 Q1 | 0 | 0 | 0 | |
| 2014 Q4 | 0 | 0 | 0 | |
| 2014 Q3 | 0 | 0 | 0 | |
| 2014 Q2 | 0 | 0 | 0 | |
| 2013 Q4 | 0 | 0 | 0 | |
| 2013 Q3 | 0 | 0 | 0 | |
| 2013 Q2 | 0 | 0 | 0 | |
| 2013 Q1 | 0 | 0 | 0 | |
| 2012 Q4 | 0 | 0 | 0 | |
| 2012 Q3 | 1 | 0 | 0 | 0.0 |
| 2012 Q2 | 0 | 0 | 0 | |
| 2012 Q1 | 0 | 0 | 0 | |
| 2011 Q4 | 240 | 0 | 0 | 0.0 |
| 2011 Q2 | 0 | 0 | 0 | |
| 2011 Q1 | 0 | 0 | 0 | |
| 2010 Q4 | 0 | 0 | 0 | |
| 2010 Q3 | 512 | 0 | 0 | 0.0 |
| 2010 Q2 | 96 | 0 | 0 | 0.0 |
| 2009 Q2 | 384 | 0 | 0 | 0.0 |
| 2009 Q1 | 1 | 0 | 0 | 0.0 |
| 2008 Q4 | 1 | 0 | 0 | 0.0 |
| 2008 Q3 | 0 | 0 | 0 | |
| 2008 Q1 | 0 | 0 | 0 | |
| 2007 Q4 | 2,464 | 0 | 0 | 0.0 |
| 2007 Q3 | 3,072 | 0 | 0 | 0.0 |
| 2007 Q2 | 0 | 0 | 0 | |
| 2007 Q1 | 1,764 | 0 | 0 | 0.0 |
| 2006 Q4 | 2,170 | 0 | 0 | 0.0 |
| 2006 Q3 | 4,096 | 3 | 1 | 732.4 |
| 2006 Q2 | 388 | 1 | 0 | 2577.3 |
| 2006 Q1 | 0 | 0 | 0 | |
| 2005 Q4 | 0 | 0 | 0 | |
| 2005 Q3 | 665 | 0 | 0 | 0.0 |
| 2005 Q2 | 2,980 | 0 | 0 | 0.0 |
| 2005 Q1 | 3,038 | 0 | 0 | 0.0 |
| 2004 Q4 | 1,239 | 0 | 0 | 0.0 |
| 2004 Q3 | 3,312 | 0 | 0 | 0.0 |
| 2004 Q2 | 2,646 | 4 | 0 | 1511.7 |
| 2004 Q1 | 2,730 | 0 | 0 | 0.0 |
| 2003 Q4 | 868 | 0 | 0 | 0.0 |
| 2003 Q3 | 2,340 | 0 | 0 | 0.0 |
| 2003 Q2 | 4,224 | 0 | 0 | 0.0 |
| 2003 Q1 | 4,536 | 0 | 0 | 0.0 |
| 2002 Q4 | 4,464 | 0 | 0 | 0.0 |
| 2002 Q3 | 768 | 0 | 0 | 0.0 |
| 2002 Q2 | 2,100 | 1 | 1 | 476.2 |
| 2002 Q1 | 3,120 | 0 | 0 | 0.0 |
| 2001 Q4 | 1,950 | 0 | 0 | 0.0 |
| 2001 Q3 | 2,646 | 0 | 0 | 0.0 |
| 2001 Q2 | 0 | 0 | 0 | |
| 2001 Q1 | 2,080 | 0 | 0 | 0.0 |
| 2000 Q4 | 1,260 | 0 | 0 | 0.0 |
| 2000 Q3 | 630 | 5 | 1 | 7936.5 |
| 2000 Q2 | 768 | 0 | 0 | 0.0 |
| 2000 Q1 | 800 | 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 Yellow Buck Matterhorn & Buckskin
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.