Mining Incidents

KEYSTONE MILL Metal/Non-Metal

Bedford Aggregates · Facility
Controlled by George Bedford
Jamestown, Tuolumne County, CA  ·  Abandoned
MSHA Mine ID: 0402347

KEYSTONE MILL has $155 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
1989–1993
Latest incident
Jan 1993
Compliance record
MSHA citations since 2000
3
citations
0
significant & substantial
$155
proposed penalties
$155
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
12
inspections on record
87
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: 87 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

KEYSTONE MILL has $155 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.
$155
proposed penalties
$155
current assessed
$155
paid to date
$0
outstanding
2 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2007-09-11.
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
2009 Q3 3 0 0 0.0
2009 Q2 11 0 0 0.0
2009 Q1 12 0 0 0.0
2008 Q4 17 0 0 0.0
2008 Q3 33 0 0 0.0
2008 Q2 17 0 0 0.0
2008 Q1 21 0 0 0.0
2007 Q4 19 0 0 0.0
Show 30 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2007 Q3 14 1 0 71428.6
2007 Q2 17 0 0 0.0
2007 Q1 23 0 0 0.0
2006 Q4 21 0 0 0.0
2006 Q3 13 0 0 0.0
2006 Q2 30 0 0 0.0
2006 Q1 6 0 0 0.0
2005 Q4 3 0 0 0.0
2005 Q3 4 0 0 0.0
2005 Q2 3 0 0 0.0
2005 Q1 3 0 0 0.0
2004 Q4 10 0 0 0.0
2004 Q3 20 0 0 0.0
2004 Q2 17 0 0 0.0
2004 Q1 22 0 0 0.0
2003 Q4 18 1 0 55555.6
2003 Q3 23 0 0 0.0
2003 Q2 25 0 0 0.0
2003 Q1 35 0 0 0.0
2002 Q3 30 0 0 0.0
2002 Q2 60 0 0 0.0
2002 Q1 100 0 0 0.0
2001 Q4 90 0 0 0.0
2001 Q3 132 0 0 0.0
2001 Q2 165 0 0 0.0
2001 Q1 175 0 0 0.0
2000 Q4 160 1 0 6250.0
2000 Q3 178 0 0 0.0
2000 Q2 155 0 0 0.0
2000 Q1 157 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

3 on file

1993 · 1 incident

January 18, 1993 CA · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor SLIP OR FALL OF PERSON
Bedford Aggregates · Fall to the walkway or working surface

WALKING, SLIPPED, TWISTED KNEE AND FELL IN THE MUD.

1989 · 2 incidents

August 4, 1989 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Bedford Aggregates · Struck by... (Not Elsewhere Classified)

A BAR SLIPPED, HIT THE FLY WHEEL, KNOCKING IT INTO HIS HAND. HE WAS WORKING AT THE MILL, CRUSHER ROCK.

May 13, 1989 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Bedford Aggregates · Struck by... (Not Elsewhere Classified)

FOAT SLIPPED OFF BENDER BENDER FLEW UP AND HIT HIM ON THE SHIN.

For insurers, brokers, and safety consultants

The full compliance file on KEYSTONE MILL

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.