Mining Incidents

Keystone Blue Quarry Metal/Non-Metal

Controlled by Polycor Inc
Carlton, Oglethorpe County, GA  ·  Active
MSHA Mine ID: 0900042

Keystone Blue Quarry has $23K in proposed MSHA penalties and $0 outstanding across 6 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
24
Years on record
1983–2025
Latest incident
Sep 2025
Compliance record
MSHA citations since 2001
117
citations
42
significant & substantial
$23,015
proposed penalties
$22,499
paid to date
98% of proposed penalties paid to date, a $516 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
67
inspections on record
919
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: 919 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 Blue Quarry has $23K in proposed MSHA penalties and $0 outstanding across 6 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.
$23K
proposed penalties
$22K
current assessed
$22K
paid to date
$0
outstanding
116 assessments are final orders; 6 contested dockets.
As of the most recent assessment on 2023-05-17.
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 4,512 0 0 0.0
2025 Q3 5,879 0 0 0.0
2025 Q2 4,574 0 0 0.0
2025 Q1 3,755 0 0 0.0
2024 Q4 4,582 0 0 0.0
2024 Q3 4,078 0 0 0.0
2024 Q2 4,670 0 0 0.0
2024 Q1 1,982 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 2,561 0 0 0.0
2023 Q3 3,038 0 0 0.0
2023 Q2 3,868 3 2 775.6
2023 Q1 3,743 0 0 0.0
2022 Q4 3,182 0 0 0.0
2022 Q3 4,047 0 0 0.0
2022 Q2 4,165 3 1 720.3
2022 Q1 3,615 3 0 829.9
2021 Q4 3,485 0 0 0.0
2021 Q3 5,495 1 0 182.0
2021 Q2 6,082 0 0 0.0
2021 Q1 5,395 1 0 185.4
2020 Q4 6,840 0 0 0.0
2020 Q3 5,288 4 0 756.4
2020 Q2 6,410 0 0 0.0
2020 Q1 7,251 6 2 827.5
2019 Q4 7,820 0 0 0.0
2019 Q3 7,831 2 0 255.4
2019 Q2 8,224 0 0 0.0
2019 Q1 7,868 0 0 0.0
2018 Q4 7,466 3 2 401.8
2018 Q3 7,789 0 0 0.0
2018 Q2 8,281 0 0 0.0
2018 Q1 7,507 0 0 0.0
2017 Q4 8,056 1 0 124.1
2017 Q3 7,533 0 0 0.0
2017 Q2 8,813 9 6 1021.2
2017 Q1 9,349 0 0 0.0
2016 Q4 9,230 2 1 216.7
2016 Q3 8,824 0 0 0.0
2016 Q2 8,445 0 0 0.0
2016 Q1 7,481 0 0 0.0
2015 Q4 8,525 0 0 0.0
2015 Q3 10,845 0 0 0.0
2015 Q2 8,366 0 0 0.0
2015 Q1 8,946 0 0 0.0
2014 Q4 9,026 2 1 221.6
2014 Q3 8,230 0 0 0.0
2014 Q2 8,989 3 1 333.7
2014 Q1 8,077 0 0 0.0
2013 Q4 8,411 1 1 118.9
2013 Q3 8,168 0 0 0.0
2013 Q2 8,723 1 0 114.6
2013 Q1 8,643 2 0 231.4
2012 Q4 8,818 0 0 0.0
2012 Q3 8,413 0 0 0.0
2012 Q2 9,802 4 2 408.1
2012 Q1 8,830 0 0 0.0
2011 Q4 8,498 2 1 235.3
2011 Q3 9,670 0 0 0.0
2011 Q2 8,893 1 1 112.4
2011 Q1 7,850 0 0 0.0
2010 Q4 8,857 1 0 112.9
2010 Q3 8,578 5 2 582.9
2010 Q2 8,833 0 0 0.0
2010 Q1 7,711 1 1 129.7
2009 Q4 8,169 0 0 0.0
2009 Q3 9,417 2 0 212.4
2009 Q2 8,302 0 0 0.0
2009 Q1 8,164 2 0 245.0
2008 Q4 8,600 0 0 0.0
2008 Q3 8,206 5 3 609.3
2008 Q2 10,178 0 0 0.0
2008 Q1 9,121 7 2 767.5
2007 Q4 8,709 0 0 0.0
2007 Q3 9,129 0 0 0.0
2007 Q2 10,606 0 0 0.0
2007 Q1 10,286 4 1 388.9
2006 Q4 9,478 0 0 0.0
2006 Q3 8,338 6 1 719.6
2006 Q2 8,961 12 6 1339.1
2006 Q1 8,505 0 0 0.0
2005 Q4 7,167 0 0 0.0
2005 Q3 8,411 2 1 237.8
2005 Q2 7,533 0 0 0.0
2005 Q1 7,003 0 0 0.0
2004 Q4 8,102 0 0 0.0
2004 Q3 9,694 0 0 0.0
2004 Q2 7,439 0 0 0.0
2004 Q1 7,795 2 1 256.6
2003 Q4 8,353 0 0 0.0
2003 Q3 7,443 0 0 0.0
2003 Q2 8,375 0 0 0.0
2003 Q1 8,675 0 0 0.0
2002 Q4 7,853 0 0 0.0
2002 Q3 7,375 0 0 0.0
2002 Q2 5,612 4 0 712.8
2002 Q1 6,744 0 0 0.0
2001 Q4 7,426 0 0 0.0
2001 Q3 6,991 0 0 0.0
2001 Q2 7,915 10 3 1263.4
2001 Q1 6,735 0 0 0.0
2000 Q4 7,427 0 0 0.0
2000 Q3 6,478 0 0 0.0
2000 Q2 7,046 0 0 0.0
2000 Q1 4,549 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

24 on file

2025 · 2 incidents

September 23, 2025 GA · Metal/Non-Metal ledgeman/hand, quarry man HANDTOOLS (NONPOWERED)
Polycor Georgia Granite Quarries Inc. · Over-exertion (Not Elsewhere Classified)

Employee was breaking a sideline this process involves striking the wedges swinging the hammer with a side-to-side motion. While doing this the employee missed the wedge and struck the wall causing the hammer to deflect and rotated the employee rapidly causing a strain to the lower lumbar.

February 17, 2025 GA · Metal/Non-Metal drill operator HANDTOOLS (NONPOWERED)
Polycor Georgia Granite Quarries Inc. · Caught in, under or between a moving and a stationary object

Miner was adding a section of drill steel using a wrench to tighten the connection. The miner's left thumb was caught between the drill boom and the wrench causing a small avulsion to the left thumb.

2004 · 1 incident

March 8, 2004 GA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Keystone Granite Company · Over-exertion (Not Elsewhere Classified)

EE came to work on 3/10/04 complaining with pain in his right knee. He told supervisor he twisted his knee on Monday 3/08/04. There were no witnesses & EE had not mentioned any problems prior to this date.

2003 · 1 incident

June 13, 2003 GA · Metal/Non-Metal truck driver HANDLING OF MATERIALS
Keystone Granite Company · Struck by falling object

EMPLOYEE BACKED TRUCK UNDER PAN. HE GOT OUT OF THE TRUCK TO PLACE PAN ONTO TRUCK. THE PAN BUMPED THE BACK OF THE TRUCK AND A STONE FELL FROM THE PAN ONTO HIS LEFT LEG.

1999 · 1 incident

April 21, 1999 GA · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger HANDTOOLS (NONPOWERED)
Keystone Granite Company · Struck by... (Not Elsewhere Classified)

EE THOUGHT HE WAS UNCAPPING A WATER VALVE BUT HE WAS ACTUALLY UNCAPPING AN AIR VALVE WITH THE PRESSURE ON. WHEN THE CAP WAS REMOVED, THE PRESSURE JAMMED HIS THUMB.

1996 · 1 incident

April 16, 1996 GA · Metal/Non-Metal outside foreman, leadman HANDLING OF MATERIALS
Keystone Granite Company · Caught in, under or between a moving and a stationary object

TAKING A GEAR MOTOR OFF THE WIRE SAW, FORGOT WHEEL WAS UP AND THE GEAR MOTOR MASHED FINGER RIPPING IT OPEN APPROX. 1/2".

1995 · 2 incidents

April 27, 1995 GA · Metal/Non-Metal ledgeman/hand, quarry man MACHINERY
Keystone Granite Company · Struck by... (Not Elsewhere Classified)

EE WAS MAKING A TOOL TO GET PIECE OF STEEL OUT OF GRANITE. HE CUT HIS RIGHT HAND AND HAD TO HAVE 5 STITCHES.

1994 · 1 incident

October 17, 1994 GA · Metal/Non-Metal outside foreman, leadman FIRE
Keystone Granite Company · Caught in, under or between a moving and a stationary object

A JOHN DEERE LOADER CAUGHT FIRE. EMPLOYEE JUMPED OUT AND REAR WEHEEL OF LOADER RAN OVER FOOT AND LEG.

1991 · 2 incidents

May 2, 1991 GA · Metal/Non-Metal mine manager, mine foreman, mine owner HANDTOOLS (NONPOWERED)
Keystone Granite Company · Struck by... (Not Elsewhere Classified)

INJURED WAS USING A SLEDGE HAMMER TO DRIVE WEDGES ON LEDGE.HE MISSED A WEDGE THE HAMMER HIT THE ROCK AND BOUNCED BACK TO HIS HEAD.

1990 · 3 incidents

October 8, 1990 GA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Keystone Granite Company · Fall to lower level, (Not Elsewhere Classified)

LOST HIS BALANCE AND FELL OFF GRANITE LEDGE AROUND 12' BROKE BOTH ANKLES.

September 26, 1990 GA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Keystone Granite Company · Struck by... (Not Elsewhere Classified)

HIT ON RIGHT SIDE OF HEAD BY CHAINS USED TO LIFT GRANITE BLOCKS OUT OF QUARRY.

1989 · 1 incident

1987 · 1 incident

April 24, 1987 GA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Keystone Granite Company · Fall from machine

FELL OFF TRUCK 2EAD FIRST WHILE DODGING ROCK

1986 · 4 incidents

October 28, 1986 GA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver MACHINERY
Keystone Granite Company · Caught in, under or between (Not Elsewhere Classified)

HOOKING DOG ON 9OCK, WHEN HOIST TIGHTENED UP, FINGER WAS UNDER DOG

August 12, 1986 GA · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger HANDTOOLS (NONPOWERED)
Keystone Granite Company · Struck by... (Not Elsewhere Classified)

MAN WAS ON CRAN9 STRICKING A DRIFT PIN WITH A SLEDGE HAMMER. MISSED PIN AND HIT LEG.

June 9, 1986 GA · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger MACHINERY
Keystone Granite Company · Fall from machine

RUN-A-WAY CRANE3- HE JUMPED OUT - BROKE RIGHT HEEL

1984 · 2 incidents

February 21, 1984 GA · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Keystone Granite Company · Struck by flying object

WAS KNOCKED DOWN BY FLYING PIECE OF GRANITE FROM A BROKEN BLOCK THAT FELL TO BOTTOM OF QUARRY.

1983 · 2 incidents

For insurers, brokers, and safety consultants

The full compliance file on Keystone Blue 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.