Anchor Stone Company-Tulsa Rock #2 has $62K in proposed MSHA penalties and $0 outstanding across 2 contested dockets, plus health sampling and the full incident record.
Watch this mine
Email me when a new MSHA incident is filed at Anchor Stone Company-Tulsa Rock #2.
Fatalities
0
Total incidents
66
Years on record
1983–2025
Latest incident
Sep 2025
Compliance record
MSHA citations since 2000
205
citations
55
significant & substantial
$62,064
proposed penalties
$56,034
paid to date
90% of proposed penalties paid to date, a $6,030 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
77
inspections on record
1,489
inspection hours
13.8
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.
205 citations across 1,489 inspection hours.
Source: MSHA inspections data, updated weekly.
Anchor Stone Company-Tulsa Rock #2 has $62K in proposed MSHA penalties and $0 outstanding across 2 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.
$62K
proposed penalties
$56K
current assessed
$56K
paid to date
$0
outstanding
205 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2026-04-21.
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
28,837
4
0
138.7
2025 Q3
27,259
8
1
293.5
2025 Q2
24,881
1
0
40.2
2025 Q1
23,391
9
4
384.8
2024 Q4
25,182
0
0
0.0
2024 Q3
23,938
0
0
0.0
2024 Q2
24,331
3
0
123.3
2024 Q1
22,282
2
0
89.8
Show 96 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2023 Q4
23,575
0
0
0.0
2023 Q3
24,431
0
0
0.0
2023 Q2
24,268
1
0
41.2
2023 Q1
21,573
0
0
0.0
2022 Q4
22,028
0
0
0.0
2022 Q3
22,463
0
0
0.0
2022 Q2
22,137
2
0
90.3
2022 Q1
22,172
0
0
0.0
2021 Q4
23,487
1
1
42.6
2021 Q3
24,830
0
0
0.0
2021 Q2
25,141
2
0
79.6
2021 Q1
22,126
0
0
0.0
2020 Q4
25,427
4
3
157.3
2020 Q3
25,134
0
0
0.0
2020 Q2
25,379
3
1
118.2
2020 Q1
22,041
0
0
0.0
2019 Q4
26,504
2
0
75.5
2019 Q3
25,799
1
0
38.8
2019 Q2
24,570
0
0
0.0
2019 Q1
21,654
5
0
230.9
2018 Q4
23,826
0
0
0.0
2018 Q3
24,926
2
1
80.2
2018 Q2
25,362
0
0
0.0
2018 Q1
22,499
2
0
88.9
2017 Q4
24,726
0
0
0.0
2017 Q3
26,711
1
0
37.4
2017 Q2
25,556
3
0
117.4
2017 Q1
24,288
4
1
164.7
2016 Q4
24,287
0
0
0.0
2016 Q3
26,020
5
2
192.2
2016 Q2
26,648
0
0
0.0
2016 Q1
24,634
0
0
0.0
2015 Q4
23,181
4
1
172.6
2015 Q3
24,182
3
3
124.1
2015 Q2
22,957
0
0
0.0
2015 Q1
21,147
0
0
0.0
2014 Q4
23,954
2
1
83.5
2014 Q3
24,867
7
2
281.5
2014 Q2
24,483
0
0
0.0
2014 Q1
21,188
2
1
94.4
2013 Q4
21,136
0
0
0.0
2013 Q3
22,641
0
0
0.0
2013 Q2
22,539
1
0
44.4
2013 Q1
20,575
2
1
97.2
2012 Q4
21,412
0
0
0.0
2012 Q3
22,380
0
0
0.0
2012 Q2
22,049
1
0
45.4
2012 Q1
21,983
0
0
0.0
2011 Q4
22,844
3
0
131.3
2011 Q3
25,980
0
0
0.0
2011 Q2
24,603
4
2
162.6
2011 Q1
20,739
2
1
96.4
2010 Q4
23,368
0
0
0.0
2010 Q3
24,333
0
0
0.0
2010 Q2
25,227
5
2
198.2
2010 Q1
17,760
0
0
0.0
2009 Q4
23,413
5
1
213.6
2009 Q3
22,424
0
0
0.0
2009 Q2
24,455
3
0
122.7
2009 Q1
18,508
0
0
0.0
2008 Q4
24,879
0
0
0.0
2008 Q3
28,611
1
0
35.0
2008 Q2
26,472
6
1
226.7
2008 Q1
22,554
0
0
0.0
2007 Q4
23,679
4
1
168.9
2007 Q3
26,045
0
0
0.0
2007 Q2
24,300
2
2
82.3
2007 Q1
21,033
0
0
0.0
2006 Q4
22,028
3
0
136.2
2006 Q3
25,770
0
0
0.0
2006 Q2
25,363
0
0
0.0
2006 Q1
20,437
0
0
0.0
2005 Q4
22,725
4
0
176.0
2005 Q3
24,786
2
1
80.7
2005 Q2
23,825
0
0
0.0
2005 Q1
21,305
1
1
46.9
2004 Q4
19,719
0
0
0.0
2004 Q3
22,700
9
1
396.5
2004 Q2
21,034
0
0
0.0
2004 Q1
16,730
6
3
358.6
2003 Q4
21,784
0
0
0.0
2003 Q3
20,852
5
1
239.8
2003 Q2
21,994
0
0
0.0
2003 Q1
16,273
12
6
737.4
2002 Q4
19,722
0
0
0.0
2002 Q3
19,777
0
0
0.0
2002 Q2
20,416
4
1
195.9
2002 Q1
20,395
0
0
0.0
2001 Q4
21,715
4
1
184.2
2001 Q3
23,988
0
0
0.0
2001 Q2
23,818
15
6
629.8
2001 Q1
21,383
0
0
0.0
2000 Q4
19,787
0
0
0.0
2000 Q3
20,884
0
0
0.0
2000 Q2
20,422
14
1
685.5
2000 Q1
17,946
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
66 on file
2025 · 1 incident
September 23, 2025OK · Metal/Non-Metalutility man, shift tech, service/dump truck operatorHANDLING OF MATERIALS
Anchor Stone Company · Caught in, under or between a moving and a stationary object
Smashed long finger on left hand between metal and a magnet.
2024 · 2 incidents
December 7, 2024OK · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDTOOLS (NONPOWERED)
Removing a come along chain under extreme tension. Either the hook slipped or failed and mechanism snapped back and hit the bridge of nose and between eyebrows requiring stitches
October 3, 2024OK · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
Anchor Stone Company · Caught in, under or between a moving and a stationary object
Pulling the steel tubing through a hole when one side of the tubing went down and the other side went up smashing right index finger between the tubing and the catwalk.
2020 · 1 incident
February 10, 2020OK · Metal/Non-Metalmaster mechanic, foreman, supervisorOTHER
While climbing from primary hopper, employee was holding onto angle iron that broke causing employee to fall 3' to 4' to the ground.
March 23, 2009OK · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
Anchor Stone Company · Caught in, under or between a moving and a stationary object
While picking up shaker with crane, got left hand caught between the crane and the shaker.
January 26, 2009OK · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techSLIP OR FALL OF PERSON
While doing maintenance on 990 Cat front end loader, employee slipped on ice and fell down the stairs on back of loader hitting head and fracturing right ankle.
2008 · 2 incidents
August 4, 2008OK · Metal/Non-Metallaborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitmanHANDTOOLS (NONPOWERED)
WHILE WINCHING CABLE TO OPEN SHOOT, THE COG CAME LOOSE HOLDING WINCH HANDLE CAUSING HANDLE TO SPIN AROUND HITTING RIGHT INDEX FINGER.
2001 · 3 incidents
October 24, 2001OK · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
WHILE GETTING UP ON THE CONVEYOR, EE SLIPPED AND HIT HIS RIBS ON THE CONVEYOR FRAME.
February 22, 2001OK · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techSLIP OR FALL OF PERSON
WHILE CLIMBING DOWN LADDER ON PRIMARY CRUSHER, 4TH STEP BROKE CAUSING EE TO FALL ON CRUSHER HITTING MIDDLE OF HIS BACK.
2000 · 2 incidents
December 7, 2000OK · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
EMPLOYEE WAS INSTALLING UPPER ENGINE COMPARTMENT PANEL WHEN PANEL STUCK, THEN WHEN PANEL WAS FREED, IT CAME DOWN ON RIGHT HAND RING FINGER, CUTTING FINGER.
September 26, 2000OK · Metal/Non-Metallaborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitmanHANDLING OF MATERIALS
WHILE CLIMBING DOWN OFF 990 LOADER, MISSED A STEP AND FELL TO GROUND FRACTURING LEFT WRIST
March 16, 1998OK · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techSLIP OR FALL OF PERSON
WHILE WALKING THROUGH PLANT, STEPPED OVER STEEL ON GROUND AND TWISTED RIGHT KNEE.
1995 · 5 incidents
December 1, 1995OK · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
WHILE INSTALLING TRANSMISSION IN CAT 988B INTO ITS CASE, THOUGHT SHOP HOIST STILL HAD TENSION ONCRANE, HAD 3RD FINGER ON RIGHT HAND BETWEEN TRANSMISSION AND CASE WHEN TRANSMISSION DROPPED INTO CASE, CUTTING TIP OF FINGER OFF.
August 24, 1995OK · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techSLIP OR FALL OF PERSON
EMPLOYEE WAS TREATED FOR NECK STRAIN/SPASM ON 6/13/94 WITH NO LOST TIME. CURRENT NECK AND UPPER BACK CONDITION IS DUE TO INJURY OF 6/13/94 PER DR. KRIS ARMSTRONG. (PLEASE SEE ATTACHED LETTER F ROM DR. ARMSTRONG)
February 13, 1995OK · Metal/Non-Metalwarehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operatorSLIP OR FALL OF PERSON
CUT LEFT HAND WITH UTILITY KNIFE WHILE REMOVING WRAPPER OFF ROLL OF 8" DISCHARGE HOSE. REQUIRED 3 STITCHES.
March 17, 1994OK · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
Anchor Stone Company · Caught in, under or between a moving and a stationary object
WHILE LETTING SIDE KICK DOWN EE HAD HIS FINGER IN ADJUSTMENT BOLT HOLE, AND WHEN HE PULLED BOLT OUT SIDE KICK DROPPED, CUTTING TIP END OFF INDEX FINGER ON RIGHT HAND.
1993 · 3 incidents
October 24, 1993OK · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
EE WAS WORKING ON A CONVEYOR SCREEN. HE BENT DOWN TO STRAIGHTEN A ROLL OF 60 FOOT BELT. IT WAS TO HEAVE AND HE PULLED HIS BACK.
August 16, 1993OK · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
EMPL WAS HITTING ON BARS IN THE CRUSHER WITH A 16 LB. SLEDGE HAMMER. EMPL HURT HIS RIGHT WRIST.EMPL TORE THE LIGAMENTS.
1992 · 5 incidents
December 30, 1992OK · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techSLIP OR FALL OF PERSON
EE WAS STANDING ON A CATWALK, WHEN ANOTHER EMPLOYEE JUMPED ONTO IT FROM THE CONVEYOR ABOVE. THE CATWALK GAVE AWAY AND THEY BOTH FELL TO THE GROUND ABOUT 22 FEET.
December 30, 1992OK · Metal/Non-Metalbelt foreman, maintenance foreman, maintenance supervisorSLIP OR FALL OF PERSON
INJURED WAS WORKING ON CONVEYOR WHEN HE JUMPED DOWN ONTO THE CATWALK BELOW,ABOUT 48 INCHES.THE CATWALK GAVE WAY AND HE FELL TO THE GROUND ABOUT 22 FEET.
EE WAS PULLING A CONVEYOR BELT & SLIPPE3D ON FROSTED GROUND & LANDED ON HIS TAILBONE
April 14, 1992OK · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
THE NIGHT SHIFT WAS WORKING ON THE V.S.I IMPACTOR. THEY WERE GOING TO START IT UP AND SEE IF IT WAS WORKING WHEN A 20" X 3' LONG PIECE OF PIPE FELL OFF AND STRUCK HIM ON THE RIGHT SHOULDER AND LOWER BACK.
January 29, 1992OK · Metal/Non-Metalfront-end loader, scraper-loader operator, pan operator, payloader, scraper rig operatorPOWERED HAULAGE
WHILE MOVING ELECTRIC WIRES AWAY FROM A SHOT THEY PUT THE WIRE IN THE BACK OF A TRUCK.INJURED GOT IN BACK OF TRUCK,THEY STARTED DRIVING OFF.THE WIRES GOT HUNG ON A ROCK WHILE THEY WERE DRAGGIN G BEHIND THE TRUCK,PULLING INJURED OUT OF THE TRUCK.
1991 · 1 incident
October 3, 1991OK · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
EE WAS IN PROCESS OF DRIVING TRUCK UP RAMP, WHILE AT THE FOOT OF RAMP HE TURNED TRUCK TOO FAR TO THE RIGHT AND RIGHT FRONT TIRE WENT OFF RAMP TURNING TRUCK OVER.
WHILE SHOVELING3EMPLOYEE PULLED BACK-LUMBAR STRAIN.
1986 · 1 incident
June 17, 1986OK · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techSLIP OR FALL OF PERSON
A MAINTENANCE P9RSON WALKING DOWN A BELT CONVEYOR OR HOLDING ONTO THE GUARD RAILS BUT WAS CARRYING TOOLS IN HIS HAND WHEN HIS FOOT SLIPPED. HE FELL FROM THE CONVEYOR SLIPPING UNDER THE RAIL GU ARD LANDING ON 5 PILE OF SCREENINGS. HE SUFFERED A FRACTURED VERTEBRAE AND CRACKED RIBS
1983 · 3 incidents
July 21, 1983OK · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
Tulsa Rock Company · Caught in, under or between a moving and a stationary object
HE WAS PUTTING GEAR BOX IN BACK OF TRUCK AND MASHED FINGER BETWEEN GEAR BOX AN D TAILGATE.
June 10, 1983OK · Metal/Non-Metallaborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitmanHANDLING OF MATERIALS
Tulsa Rock Company · Caught in, under or between a moving and a stationary object
WHILE LIFTING CONVEYOR INTO PLACE,FINGER CAUGHT BETWEEN LIFTING CABLE AND CONVETOR FRAME.
For insurers, brokers, and safety consultants
The full compliance file on Anchor Stone Company-Tulsa Rock #2
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.