Mining Incidents

MSK-1: 62 MSHA citations Metal/Non-Metal

Controlled by Robert J Coughlan
Mankato, Blue Earth County, MN  ·  Abandoned
MSHA Mine ID: 2100057

MSK-1 has $11K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.

Watch this mine

Email me when a new MSHA incident is filed at MSK-1.

Fatalities
0
Total incidents
14
Years on record
1985–1997
Latest incident
Jun 1997
Compliance record
MSHA citations since 2001
62
citations
18
significant & substantial
$10,748
proposed penalties
$10,748
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
27
inspections on record
329
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: 329 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

MSK-1 has $11K 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.
$11K
proposed penalties
$11K
current assessed
$11K
paid to date
$0
outstanding
62 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2013-03-27.
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.
29.0%
significant & substantial
3.2%
high negligence or reckless
29.0%
reasonably likely or greater
56.5%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 16.1% low, 80.6% moderate, 3.2% 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: 2012-11-06, 13 years ago
0%
of limit-tested samples over the exposure limit
10
samples
8
limit-tested
Most sampled contaminants
  • Quartz, respirable, >1% Qtz8
  • Respirable dust, <.1mg1
  • Unlisted Particulate, respirable, <1% Qtz1
Show the individual readings (10)
Date Contaminant Concentration Limit Conc / limit Occupation
2012-11-06 Quartz, respirable, >1% Qtz 0.21 1.67 0.13 Mechanic
2012-11-06 Quartz, respirable, >1% Qtz 0.46 1.47 0.31 Stone Polisher/Cutter
2009-09-30 Quartz, respirable, >1% Qtz 0.4 1.07 0.37 Stone Polisher/Cutter
2009-05-13 Quartz, respirable, >1% Qtz 0.38 1.55 0.25 Stone Polisher/Cutter
2009-05-13 Quartz, respirable, >1% Qtz 0.16 1.38 0.12 Stone Polisher/Cutter
2007-06-12 Quartz, respirable, >1% Qtz 0.12 1.14 0.11 Cutting Mach Operator
2007-06-12 Quartz, respirable, >1% Qtz 0.14 1.05 0.13 Cutting Mach Operator
2004-04-06 Unlisted Particulate, respirable, <1% Qtz 0.15 Front-end Loader Operator
2004-04-06 Quartz, respirable, >1% Qtz 0.24 0.69 0.35 Utility Man
2004-04-06 Respirable dust, <.1mg 0 Stone Polisher/Cutter
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.

MSK-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
No reportable injury cases in any year shown. Employee-hours were reported in each of those years, so these are true zeros rather than missing data. Citations, listed in the compliance record above, are inspector-found violations and are counted separately from worker injuries.
Below average. The US metal and nonmetal mining average was 4.17 and the all-US-mining average was 5.05 cases per 100 workers.
In Minnesota, metal and nonmetal mining averaged 4.50 cases per 100 workers that year.
Under 100,000 employee-hours were reported that year, so a single case moves the rate by two or more. Read the figure as approximate.
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. Mankato Stone Center 1950 to 1985
  2. Mankato Kasota Stone Inc 1985 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2013 4
2012 5
2011 9
2010 10
2009 10
2008 9
2007 10
2006 11
2005 9
2004 11
2003 11
2002 12
2001 11
2000 4
Source: MSHA quarterly employment and production, updated weekly.

MSK-1 sits in Blue Earth County, Minnesota, where the Census mining category is 0.1% 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.
Blue Earth County, Minnesota · Population 69,386
0.1%
Mining share of county employment
$72,623
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
2013 Q2 1,256 0 0 0.0
2013 Q1 1,207 8 2 6628.0
2012 Q4 1,149 5 0 4351.6
2012 Q3 1,235 0 0 0.0
2012 Q2 1,758 0 0 0.0
2012 Q1 2,458 0 0 0.0
2011 Q4 3,612 5 4 1384.3
2011 Q3 4,832 0 0 0.0
Show 46 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2011 Q2 4,373 0 0 0.0
2011 Q1 1,902 0 0 0.0
2010 Q4 4,423 6 1 1356.5
2010 Q3 3,787 0 0 0.0
2010 Q2 5,509 0 0 0.0
2010 Q1 2,604 0 0 0.0
2009 Q4 6,104 0 0 0.0
2009 Q3 5,156 5 4 969.7
2009 Q2 5,389 11 3 2041.2
2009 Q1 2,743 0 0 0.0
2008 Q4 5,605 0 0 0.0
2008 Q3 4,143 3 0 724.1
2008 Q2 4,312 0 0 0.0
2008 Q1 2,186 0 0 0.0
2007 Q4 5,383 0 0 0.0
2007 Q3 4,922 0 0 0.0
2007 Q2 5,535 4 0 722.7
2007 Q1 2,470 0 0 0.0
2006 Q4 5,646 0 0 0.0
2006 Q3 5,385 3 1 557.1
2006 Q2 5,780 0 0 0.0
2006 Q1 2,860 0 0 0.0
2005 Q4 3,603 0 0 0.0
2005 Q3 3,634 0 0 0.0
2005 Q2 5,301 0 0 0.0
2005 Q1 3,698 0 0 0.0
2004 Q4 5,192 0 0 0.0
2004 Q3 6,084 0 0 0.0
2004 Q2 5,128 3 0 585.0
2004 Q1 3,496 0 0 0.0
2003 Q4 3,879 0 0 0.0
2003 Q3 3,892 1 0 256.9
2003 Q2 4,161 0 0 0.0
2003 Q1 3,371 0 0 0.0
2002 Q4 3,357 0 0 0.0
2002 Q3 6,465 0 0 0.0
2002 Q2 5,873 0 0 0.0
2002 Q1 5,494 0 0 0.0
2001 Q4 3,986 3 0 752.6
2001 Q3 6,466 1 1 154.7
2001 Q2 5,027 0 0 0.0
2001 Q1 1,386 0 0 0.0
2000 Q4 1,437 0 0 0.0
2000 Q3 2,932 0 0 0.0
2000 Q2 2,496 0 0 0.0
2000 Q1 1,305 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

14 on file

1997 · 2 incidents

June 26, 1997 MN · Metal/Non-Metal mine manager, mine foreman, mine owner HANDTOOLS (NONPOWERED)
Mankato Kasota Stone Inc · Over-exertion (Not Elsewhere Classified)

ATTMEPTING TO LOOSEN CLAMP ON QUARRY SAW. FELT STRAIN IN BACK WHILE PULLING UP ON WRENCH.

May 30, 1997 MN · Metal/Non-Metal drill operator HANDLING OF MATERIALS
Mankato Kasota Stone Inc · Over-exertion in lifting objects

WHILE MOVING QUARRY WAGON DRILL, HAD TO PUSH HARD. WITH BOTH ARMS EXTENDED AND LEANING INTO THE WAGON DRILL, FELT STRAIN IN ABDOMEN. GROUND WAS MUDDY AND UNEVEN.

1996 · 1 incident

August 12, 1996 MN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Mankato Kasota Stone Inc · Fall down stairs

EMP WAS WALKING DOWN THE STAIRS COMING FROM THE SUPPLY TRAILER AND SLIPPED, TWISTING HIS LEFT ANKLE.

1995 · 1 incident

June 26, 1995 MN · Metal/Non-Metal drill operator HANDLING OF MATERIALS
Mankato Kasota Stone Inc · Struck by falling object

PULLING THE HEADED DRILL TO OTHER END OF DECK.WAS TOO CLOSE TO EDGE AND FELL OFF AND DRILL FELL ON TOP OF HIM BECAUSE HE PULLED ON DRILL INSTEAD OF LETTING THE DRILL GO.

1994 · 1 incident

May 16, 1994 MN · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Mankato Kasota Stone Inc · Over-exertion in pulling or pushing objects

EE WAS CARRYING A DRILL THAT WAS HOOKED ONTO A FORKLIFT. HE PULLED HARD TO MOVE THE DRILL AND INJURED HIS BACK.

1993 · 1 incident

June 23, 1993 MN · Metal/Non-Metal drill operator MACHINERY
Mankato Kasota Stone Inc · Struck by... (Not Elsewhere Classified)

BLOWING OUT BLAST HOLES. AIR HOSE WAS WRAPED AROUND BLOW PIPE USED TO BLOW OUT BLAST HOLES AND EE TRIED TO STRAIGHTEN IT OUT. AS THE DRILL AND COMPRESSOR WERE BEING MOVED AHEAD, THE HOSE TIGHT ENED UP AND TWISTED AROUND, STRIKING HIM IN THE HAND.

1990 · 3 incidents

September 5, 1990 MN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman ELECTRICAL
Mankato Kasota Stone Inc · Contact with electrical current

INJURED WAS DRILLING WITH QUARRY DRILL AND WAS OBSERVED FALLING.BEFORE PASSING OUT,HE SAID THAT HE GOT A SHOCK.HE HAD A STRONG PULSE.WAS TRANSFERRED TO THE HOSPITAL BY AMBULANCE.ELECTRICIAN WA S CALLED TO CHECK AIRLINE VOLTAGE.

April 20, 1990 MN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Mankato Kasota Stone Inc · Over-exertion in wielding or throwing objects

WAS THROWING HOSE OVER STONE BLOCKS & TWISTED KNEE

April 19, 1990 MN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
Mankato Kasota Stone Inc · Struck against a moving object

HURT BACK FROM BOUNDING ON LOADER SEAT.

1988 · 1 incident

April 27, 1988 MN · Metal/Non-Metal outside foreman, leadman MACHINERY
Mankato Kasota Stone Inc · Struck by... (Not Elsewhere Classified)

TRACK CRAVE TURNED & BRUISED OUR QUARRY SUPERVISOR

1987 · 1 incident

1986 · 2 incidents

April 23, 1986 MN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Mankato Kasota Stone Inc · Struck by flying object

EMPLOYEE WAS SH2VELING STONE DEBRIS AWAY FROM MACHINERY SHOVEL HIT CHAIN ON MACHINE FLEW UP HITTING EMPLOYEE IN JAW CAUSING HIM TO BITE HIS TONGUE CAUSING LACERATION OF BOTH SIDES OF TONGUE

1985 · 1 incident

July 29, 1985 MN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Mankato Kasota Stone Inc · Struck by flying object

EMPLOYEE WAS WORKING ON STONE DRILLING MACHINE, REMOVED SAFETY GLASSES AND GOT A PIECE OF FOREIGN MATERIAL IN HIS RIGHT EYE LID.