Mining Incidents

High Country Hard Rock - Williams Pit: 36 MSHA citations Metal/Non-Metal

Sibson Gravel L.L.C. · Surface
Kremmling, Elbert County, CO  ·  Intermittent
MSHA Mine ID: 2100611

High Country Hard Rock - Williams Pit has $3K 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 2002
36
citations
5
significant & substantial
$3,367
proposed penalties
$3,367
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
34
inspections on record
349
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: 349 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

High Country Hard Rock - Williams Pit has $3K 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.
$3K
proposed penalties
$3K
current assessed
$3K
paid to date
$0
outstanding
35 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-03-17.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Violation severity profile
Shares are computed over citations that carry the MSHA gravity and negligence coding; a small share of records are uncoded.
13.9%
significant & substantial
2.8%
high negligence or reckless
13.9%
reasonably likely or greater
44.4%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 33.3% low, 63.9% moderate, 2.8% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
Health sampling
A sample is a point in time compliance measurement, not an individual exposure history. These figures describe MSHA sampling records and do not establish causation or personal dose.

Metal and nonmetal contaminants (personal samples)
Many samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.

Last sampled: 2013-11-20, 12 years ago
17%
of limit-tested samples over the exposure limit
8
samples
6
limit-tested
Most sampled contaminants
  • Quartz, respirable, >1% Qtz61 over
  • Respirable dust, <.1mg2
Show the individual readings (8)
Date Contaminant Concentration Limit Conc / limit Occupation
2012-10-15 Quartz, respirable, >1% Qtz 2.47 1.89 1.31 Dry Screen Plant Operator
2013-11-20 Respirable dust, <.1mg 0 Dry Screen Plant Operator
2013-11-20 Quartz, respirable, >1% Qtz 0.13 1.06 0.12 Crusher Oper/Worker
2012-10-15 Quartz, respirable, >1% Qtz 0.3 1.19 0.25 Front-end Loader Operator
2012-10-15 Quartz, respirable, >1% Qtz 0.17 1.81 0.09 Front-end Loader Operator
2009-09-29 Respirable dust, <.1mg 0 Supervisor, Co. Official
2009-09-29 Quartz, respirable, >1% Qtz 0.33 2.17 0.15 Front-end Loader Operator
2009-09-29 Quartz, respirable, >1% Qtz 0.39 2.57 0.15 Crusher Oper/Worker
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly. Metal/nonmetal contaminant figures come from MSHA's Personal Health Samples and Area Samples files (public record), updated weekly.
Ownership history
  1. Sibson Gravel Company 1950 to 1986
  2. Sibson Gravel LLC 1986 to 2018
  3. High Country Hard Rock L.L.C. 2018 to 2021
  4. Sibson Gravel L.L.C. 2021 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 4
2025 4
2024 0
2023 2
2022 2
2021 3
2020 2
2019 2
2018 3
2017 3
2016 3
2015 4
2014 4
2013 5
2012 6
2011 5
2010 5
2009 3
2008 4
2007 3
2006 3
2005 3
2004 2
2003 3
2002 3
2001 3
2000 2
Source: MSHA quarterly employment and production, updated weekly.

High Country Hard Rock - Williams Pit sits in Elbert County, Colorado, where the Census mining category is 0.3% of county employment.

Local economic context
County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Elbert County, Colorado · Population 27,152
0.3%
Mining share of county employment
$129,477
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
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
2026 Q2 2,223 0 0 0.0
2025 Q3 2,506 0 0 0.0
2025 Q2 2,640 0 0 0.0
2025 Q1 763 2 0 2621.2
2024 Q4 0 0 0
2024 Q3 0 0 0
2024 Q2 0 0 0
2023 Q4 1,053 0 0 0.0
Show 95 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q3 1,374 0 0 0.0
2023 Q2 789 0 0 0.0
2023 Q1 0 0 0
2022 Q4 787 1 0 1270.6
2022 Q3 1,221 0 0 0.0
2022 Q2 1,429 0 0 0.0
2022 Q1 0 0 0
2021 Q4 1,815 0 0 0.0
2021 Q3 1,321 0 0 0.0
2021 Q2 1,123 1 0 890.5
2021 Q1 0 1 0
2020 Q4 47 0 0 0.0
2020 Q3 1,256 0 0 0.0
2020 Q2 134 1 0 7462.7
2020 Q1 0 0 0
2019 Q4 319 0 0 0.0
2019 Q3 763 0 0 0.0
2019 Q2 367 0 0 0.0
2019 Q1 90 0 0 0.0
2018 Q4 197 0 0 0.0
2018 Q3 305 0 0 0.0
2018 Q2 551 0 0 0.0
2018 Q1 204 0 0 0.0
2017 Q4 555 1 0 1801.8
2017 Q3 1,047 0 0 0.0
2017 Q2 902 0 0 0.0
2017 Q1 180 0 0 0.0
2016 Q4 694 0 0 0.0
2016 Q3 1,656 0 0 0.0
2016 Q2 762 0 0 0.0
2016 Q1 120 0 0 0.0
2015 Q4 782 0 0 0.0
2015 Q3 1,911 3 0 1569.9
2015 Q2 822 0 0 0.0
2015 Q1 120 0 0 0.0
2014 Q4 1,277 0 0 0.0
2014 Q3 1,792 0 0 0.0
2014 Q2 1,615 0 0 0.0
2014 Q1 180 0 0 0.0
2013 Q4 1,264 2 0 1582.3
2013 Q3 2,147 0 0 0.0
2013 Q2 1,662 0 0 0.0
2013 Q1 180 0 0 0.0
2012 Q4 1,112 2 1 1798.6
2012 Q3 1,491 0 0 0.0
2012 Q2 1,327 0 0 0.0
2012 Q1 947 2 0 2111.9
2011 Q4 1,725 0 0 0.0
2011 Q3 2,738 0 0 0.0
2011 Q2 1,684 0 0 0.0
2011 Q1 180 0 0 0.0
2010 Q4 1,456 2 2 1373.6
2010 Q3 2,142 0 0 0.0
2010 Q2 1,892 0 0 0.0
2010 Q1 180 0 0 0.0
2009 Q4 1,363 0 0 0.0
2009 Q3 2,121 0 0 0.0
2009 Q2 1,427 0 0 0.0
2009 Q1 180 0 0 0.0
2008 Q4 945 0 0 0.0
2008 Q3 2,033 0 0 0.0
2008 Q2 1,329 1 0 752.4
2008 Q1 296 0 0 0.0
2007 Q4 1,070 0 0 0.0
2007 Q3 1,680 0 0 0.0
2007 Q2 2,640 1 0 378.8
2007 Q1 90 0 0 0.0
2006 Q4 820 0 0 0.0
2006 Q3 2,400 0 0 0.0
2006 Q2 2,520 0 0 0.0
2006 Q1 360 0 0 0.0
2005 Q4 889 0 0 0.0
2005 Q3 2,632 0 0 0.0
2005 Q2 2,340 1 0 427.4
2005 Q1 0 0 0
2004 Q4 610 0 0 0.0
2004 Q3 2,400 0 0 0.0
2004 Q2 2,220 2 0 900.9
2004 Q1 0 0 0
2003 Q4 2,224 1 0 449.6
2003 Q3 1,770 2 0 1129.9
2003 Q2 1,960 0 0 0.0
2003 Q1 90 0 0 0.0
2002 Q4 1,100 0 0 0.0
2002 Q3 1,920 10 2 5208.3
2002 Q2 935 0 0 0.0
2002 Q1 30 0 0 0.0
2001 Q4 970 0 0 0.0
2001 Q3 40 0 0 0.0
2001 Q2 3,340 0 0 0.0
2001 Q1 1,000 0 0 0.0
2000 Q4 370 0 0 0.0
2000 Q3 1,740 0 0 0.0
2000 Q2 1,590 0 0 0.0
2000 Q1 240 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.