Mining Incidents

Cain Ranch Aggregate Quarry Metal/Non-Metal

Controlled by Betty Marzano
Lee Vining, Mono County, CA  ·  Intermittent
MSHA Mine ID: 0405218

Cain Ranch Aggregate Quarry has $7K 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
1
Years on record
1998
Latest incident
Jul 1998
Compliance record
MSHA citations since 2001
46
citations
10
significant & substantial
$6,904
proposed penalties
$6,414
paid to date
93% of proposed penalties paid to date, a $490 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
31
inspections on record
446
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: 446 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Cain Ranch Aggregate Quarry has $7K 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.
$7K
proposed penalties
$6K
current assessed
$6K
paid to date
$0
outstanding
46 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2024-09-04.
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 1,635 0 0 0.0
2025 Q3 1,799 0 0 0.0
2025 Q2 1,700 0 0 0.0
2025 Q1 0 0 0
2024 Q4 1,571 0 0 0.0
2024 Q3 2,396 2 0 834.7
2024 Q2 2,027 0 0 0.0
2024 Q1 0 0 0
Show 90 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 1,390 0 0 0.0
2023 Q3 1,659 1 0 602.8
2023 Q2 1,036 0 0 0.0
2023 Q1 0 0 0
2022 Q4 519 0 0 0.0
2022 Q3 2,025 1 0 493.8
2022 Q2 1,562 0 0 0.0
2022 Q1 319 0 0 0.0
2021 Q4 637 0 0 0.0
2021 Q3 1,665 2 1 1201.2
2021 Q2 1,104 0 0 0.0
2021 Q1 0 0 0
2020 Q4 328 0 0 0.0
2020 Q3 719 0 0 0.0
2020 Q2 634 0 0 0.0
2020 Q1 0 0 0
2019 Q4 640 0 0 0.0
2019 Q3 976 2 0 2049.2
2019 Q2 568 0 0 0.0
2019 Q1 0 0 0
2018 Q4 585 0 0 0.0
2018 Q3 808 0 0 0.0
2018 Q2 855 2 0 2339.2
2018 Q1 0 0 0
2017 Q4 460 0 0 0.0
2017 Q3 677 0 0 0.0
2017 Q2 595 0 0 0.0
2016 Q4 583 5 3 8576.3
2016 Q3 1,034 0 0 0.0
2016 Q2 1,080 4 1 3703.7
2016 Q1 0 0 0
2015 Q4 476 0 0 0.0
2015 Q3 1,038 2 0 1926.8
2015 Q2 799 0 0 0.0
2015 Q1 0 0 0
2014 Q4 547 0 0 0.0
2014 Q3 1,231 0 0 0.0
2014 Q2 272 0 0 0.0
2013 Q4 151 1 0 6622.5
2013 Q3 600 0 0 0.0
2013 Q2 797 1 0 1254.7
2013 Q1 0 0 0
2012 Q4 465 0 0 0.0
2012 Q3 733 0 0 0.0
2012 Q2 542 0 0 0.0
2011 Q4 281 0 0 0.0
2011 Q3 870 0 0 0.0
2011 Q2 545 0 0 0.0
2011 Q1 0 0 0
2010 Q4 390 0 0 0.0
2010 Q3 745 2 0 2684.6
2010 Q2 539 0 0 0.0
2010 Q1 10 0 0 0.0
2009 Q4 188 0 0 0.0
2009 Q3 788 0 0 0.0
2009 Q2 633 0 0 0.0
2009 Q1 101 1 0 9901.0
2008 Q4 733 0 0 0.0
2008 Q3 3,733 0 0 0.0
2008 Q2 2,542 0 0 0.0
2008 Q1 0 0 0
2007 Q4 706 0 0 0.0
2007 Q3 1,778 0 0 0.0
2007 Q2 1,090 0 0 0.0
2007 Q1 1,216 0 0 0.0
2006 Q4 1,612 0 0 0.0
2006 Q3 2,494 0 0 0.0
2006 Q2 1,655 2 0 1208.5
2006 Q1 880 0 0 0.0
2005 Q4 2,050 0 0 0.0
2005 Q3 2,430 0 0 0.0
2005 Q2 2,320 0 0 0.0
2005 Q1 0 0 0
2004 Q4 960 0 0 0.0
2004 Q3 1,600 0 0 0.0
2004 Q2 820 0 0 0.0
2004 Q1 0 1 0
2003 Q4 640 0 0 0.0
2003 Q3 1,440 0 0 0.0
2003 Q2 2,460 0 0 0.0
2003 Q1 40 0 0 0.0
2002 Q4 1,600 0 0 0.0
2002 Q3 1,920 0 0 0.0
2002 Q2 1,920 5 2 2604.2
2002 Q1 1,040 0 0 0.0
2001 Q4 1,440 0 0 0.0
2001 Q3 2,040 12 3 5882.4
2001 Q2 2,220 0 0 0.0
2001 Q1 0 0 0
2000 Q4 1,440 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

1 on file

1998 · 1 incident

For insurers, brokers, and safety consultants

The full compliance file on Cain Ranch Aggregate 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.