Mining Incidents

Bolen Branch #1: 33 MSHA citations Coal

Leburn, Knott County, KY  ·  Abandoned
MSHA Mine ID: 1518207

Bolen Branch #1 has $5K 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
3
Years on record
1999–2002
Latest incident
Jun 2002
Compliance record
MSHA citations since 2000
33
citations
24
significant & substantial
$4,779
proposed penalties
$4,779
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
33
inspections on record
586
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: 586 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Bolen Branch #1 has $5K 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.
$5K
proposed penalties
$5K
current assessed
$5K
paid to date
$0
outstanding
33 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2003-02-12.
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.
72.7%
significant & substantial
0.0%
high negligence or reckless
72.7%
reasonably likely or greater
24.2%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 6.1% low, 93.9% moderate, 0.0% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.

MSHA sampling at Bolen Branch #1 shows 98% of 121 respirable coal dust samples met the 1.5 mg/m3 standard.

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.

Respirable coal dust
Respirable coal dust and silica figures cover coal facilities. Dust compliance is measured against the current 1.5 mg/m3 standard; samples predating the 2014 standard are included, so compliance rates are a coarse historical signal.

Last sampled: 2003-03-06, 23 years ago
98%
within 1.5 mg/m3
121
samples
1.99
dust max (mg/m3)
68 samples taken by MSHA inspectors, 53 by the operator.
Most-sampled occupations
  • BULLDOZER OPERATOR41
  • HIGHLIFT OPERATOR/FRONT END LOADER30
  • REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE25

Silica (quartz)

Last sampled: 2002-03-05, 24 years ago
16.7
silica avg (%)
6
samples
34.7
silica max (%)
Most-sampled occupations
  • BULLDOZER OPERATOR3
  • HIGHWALL DRILL OPERATOR2
  • REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE1

Noise
The share counts noise samples whose measured dose exceeded the 90 dBA permissible exposure limit. It describes the sampled workplace, not what reached the miner's ear: hearing conservation programs and the hearing protection worn during the shift are recorded separately and are not reflected here.

Last sampled: 2002-07-29, 24 years ago
8%
over PEL
24
samples
Most-sampled occupations
  • REFUSE TRUCK DRIVER/BACKFILL TRUCK DRIVE8
  • HIGHLIFT OPERATOR/FRONT END LOADER7
  • BULLDOZER OPERATOR5
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly.
Health sampling trend
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.
Respirable coal dust by year
Respirable coal dust and silica figures cover coal facilities. Dust compliance is measured against the current 1.5 mg/m3 standard; samples predating the 2014 standard are included, so compliance rates are a coarse historical signal.
Year within 1.5 mg/m3 samples
2003 100% 1
2002 100% 39
2001 95% 41
2000 100% 40
Silica (quartz) by year
Year silica avg (%) samples
2002 23.6 3
2001 8.9 2
2000 11.7 1
Noise by year
Year over PEL samples
2002 10% 10
2001 10% 10
2000 0% 4
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly.

Bolen Branch #1 recorded 0.00 reportable injury cases per 100 full-time workers in 2002.

Injury rate, 2002
This rate is reportable injury cases per 100 full-time-equivalent workers per year, computed as 200,000 times cases divided by MSHA operator-reported employee-hours. Cases are injuries MSHA graded degree 01 through 07; accident-only events that hurt no one are excluded, and so are contractor injuries, whose hours do not attach to a single mine. Rates begin in 2000, when quarterly employment reporting starts, and are withheld below 20,000 hours in a year.
0.00
total case rate
0.00
days-away rate
0.000
fatality rate
Below average. The US coal mining average was 6.89 and the all-US-mining average was 5.05 cases per 100 workers.
In Kentucky, coal mining averaged 8.22 cases per 100 workers that year.
Year total case rate days-away fatal
2002 0.00 0.00 0.000
2001 1.49 0.00 0.000
2000 0.00 0.00 0.000
Source: injury cases from MSHA accident and injury records; employee-hours from MSHA quarterly employment reports. Rate is cases per 100 full-time-equivalent workers, operator employees only.
Ownership history
  1. Miller Brothers Coal Inc 1999 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Coal production is reported quarterly and lags the current period; the most recent quarters may be incomplete.
Year Employees Coal produced (tons)
2003 22 39,937
2002 42 595,601
2001 47 839,750
2000 43 794,853
Source: MSHA quarterly employment and production, updated weekly.

Bolen Branch #1 sits in Knott County, Kentucky, where the Census mining category is 2.8% 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.
Knott County, Kentucky · Population 14,046
2.8%
Mining share of county employment
$37,736
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
2003 Q3 551 0 0 0.0
2003 Q2 3,104 0 0 0.0
2003 Q1 17,153 2 2 116.6
2002 Q4 27,025 0 0 0.0
2002 Q3 29,806 0 0 0.0
2002 Q2 26,117 6 4 229.7
2002 Q1 30,976 5 5 161.4
2001 Q4 32,161 0 0 0.0
Show 7 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2001 Q3 33,861 6 4 177.2
2001 Q2 34,497 0 0 0.0
2001 Q1 33,904 2 2 59.0
2000 Q4 31,245 0 0 0.0
2000 Q3 31,154 6 5 192.6
2000 Q2 27,608 0 0 0.0
2000 Q1 29,213 6 2 205.4
No fatalities recorded at this mine.

Reportable incidents

3 on file

2002 · 1 incident

2001 · 1 incident

February 9, 2001 KY · Coal greaser, grease man, oiler, lube man, dragline oiler DISORDERS (REPEATED TRAUMA)
Miller Brothers Coal Inc · Over-exertion (Not Elsewhere Classified)

PHYSICIAN DIAGNOSED EMPLOYEE WITH CARPAL TUNNEL SYNDROME CAUSED BY NATURE OF EMPLOYEE'S JOB. CORRECTIVE SURGERY IS RECOMMENDED.

1999 · 1 incident

November 23, 1999 KY · Coal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Miller Brothers Coal Inc · Struck against a moving object

OPERATING 992G LOADING OVERBURDEN ON TO ROCK TRUCKS WHEN A LARGE ROCK ROLLED OUT OF THE SHOT, HITTING THE LOADER BUCKET. THIS JARRED THE EMPLOYEE AND CAUSED LOWER BACK PAIN.