Hilltop and Corva Metal/Non-Metal
Dunbar Stone Company Inc
· Surface
Controlled by
Frances F Dunbar
Ashfork,
Coconino County,
AZ
·
Abandoned
MSHA Mine ID: 0203136
Hilltop and Corva has $443 in proposed MSHA penalties and $0 outstanding across 0 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 2009
3
citations
1
significant & substantial
$443
proposed penalties
$443
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2007
8
inspections on record
69
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: 69 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Hilltop and Corva has $443 in proposed MSHA penalties and $0 outstanding across 0 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.$443
proposed penalties
$443
current assessed
$443
paid to date
$0
outstanding
3 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2010-05-11.
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 | 896 | 0 | 0 | 0.0 |
| 2025 Q3 | 224 | 0 | 0 | 0.0 |
| 2025 Q1 | 0 | 0 | 0 | |
| 2024 Q4 | 0 | 0 | 0 | |
| 2024 Q3 | 0 | 0 | 0 | |
| 2024 Q2 | 0 | 0 | 0 | |
| 2024 Q1 | 0 | 0 | 0 | |
| 2023 Q4 | 0 | 0 | 0 |
Show 65 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q3 | 0 | 0 | 0 | |
| 2023 Q2 | 0 | 0 | 0 | |
| 2023 Q1 | 0 | 0 | 0 | |
| 2022 Q4 | 0 | 0 | 0 | |
| 2022 Q3 | 0 | 0 | 0 | |
| 2022 Q2 | 0 | 0 | 0 | |
| 2022 Q1 | 0 | 0 | 0 | |
| 2021 Q4 | 0 | 0 | 0 | |
| 2021 Q3 | 0 | 0 | 0 | |
| 2021 Q2 | 0 | 0 | 0 | |
| 2021 Q1 | 0 | 0 | 0 | |
| 2020 Q4 | 0 | 0 | 0 | |
| 2020 Q3 | 0 | 0 | 0 | |
| 2020 Q2 | 0 | 0 | 0 | |
| 2020 Q1 | 0 | 0 | 0 | |
| 2019 Q4 | 0 | 0 | 0 | |
| 2019 Q3 | 0 | 0 | 0 | |
| 2019 Q2 | 0 | 0 | 0 | |
| 2019 Q1 | 0 | 0 | 0 | |
| 2018 Q4 | 0 | 0 | 0 | |
| 2018 Q3 | 0 | 0 | 0 | |
| 2018 Q2 | 0 | 0 | 0 | |
| 2018 Q1 | 0 | 0 | 0 | |
| 2017 Q4 | 0 | 0 | 0 | |
| 2017 Q3 | 0 | 0 | 0 | |
| 2017 Q2 | 0 | 0 | 0 | |
| 2017 Q1 | 0 | 0 | 0 | |
| 2016 Q4 | 0 | 0 | 0 | |
| 2016 Q3 | 0 | 0 | 0 | |
| 2016 Q2 | 0 | 0 | 0 | |
| 2016 Q1 | 1,600 | 0 | 0 | 0.0 |
| 2015 Q4 | 0 | 0 | 0 | |
| 2015 Q3 | 200 | 0 | 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 | 0 | 0 | 0 | |
| 2012 Q2 | 0 | 0 | 0 | |
| 2012 Q1 | 0 | 0 | 0 | |
| 2011 Q4 | 120 | 0 | 0 | 0.0 |
| 2011 Q3 | 2,016 | 0 | 0 | 0.0 |
| 2011 Q2 | 720 | 0 | 0 | 0.0 |
| 2011 Q1 | 0 | 0 | 0 | |
| 2010 Q4 | 0 | 0 | 0 | |
| 2010 Q3 | 1,152 | 0 | 0 | 0.0 |
| 2010 Q2 | 800 | 2 | 1 | 2500.0 |
| 2010 Q1 | 0 | 0 | 0 | |
| 2009 Q4 | 675 | 0 | 0 | 0.0 |
| 2009 Q3 | 360 | 0 | 0 | 0.0 |
| 2009 Q2 | 552 | 1 | 0 | 1811.6 |
| 2009 Q1 | 145 | 0 | 0 | 0.0 |
| 2008 Q4 | 1 | 0 | 0 | 0.0 |
| 2008 Q3 | 0 | 0 | 0 | |
| 2008 Q1 | 0 | 0 | 0 | |
| 2007 Q4 | 1,176 | 0 | 0 | 0.0 |
| 2007 Q3 | 0 | 0 | 0 | |
| 2007 Q2 | 1,281 | 0 | 0 | 0.0 |
| 2006 Q3 | 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 Hilltop and Corva
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.