August 22, 2025
OK · Metal/Non-Metal
laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman
DISORDERS (PHYSICAL AGENTS)
Dolese Brothers Company · Contact with heat
Employee was dehydrated
Big Canyon Rock Quarry Metal/Non-Metal
Big Canyon Rock Quarry has $16K in proposed MSHA penalties and $0 outstanding across 1 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 0
- Total incidents
- 8
- Years on record
- 1983–2025
- Latest incident
- Aug 2025
Compliance record
MSHA citations since 2022
11
citations
5
significant & substantial
$15,659
proposed penalties
$13,799
paid to date
88% of proposed penalties paid to date, a $1,860 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2022
8
inspections on record
110
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: 110 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Big Canyon Rock Quarry has $16K in proposed MSHA penalties and $0 outstanding across 1 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.$16K
proposed penalties
$14K
current assessed
$14K
paid to date
$0
outstanding
11 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2025-12-11.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also
the operator's enforcement record
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 | 15,453 | 1 | 0 | 64.7 |
| 2025 Q3 | 14,893 | 0 | 0 | 0.0 |
| 2025 Q2 | 9,027 | 0 | 0 | 0.0 |
| 2025 Q1 | 8,304 | 0 | 0 | 0.0 |
| 2024 Q4 | 7,992 | 0 | 0 | 0.0 |
| 2024 Q3 | 9,192 | 2 | 0 | 217.6 |
| 2024 Q2 | 9,066 | 0 | 0 | 0.0 |
| 2024 Q1 | 6,699 | 2 | 1 | 298.6 |
Show 6 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 5,028 | 0 | 0 | 0.0 |
| 2023 Q3 | 3,459 | 3 | 1 | 867.3 |
| 2023 Q2 | 2,648 | 0 | 0 | 0.0 |
| 2023 Q1 | 2,553 | 0 | 0 | 0.0 |
| 2022 Q4 | 1,113 | 0 | 0 | 0.0 |
| 2022 Q3 | 347 | 3 | 3 | 8645.5 |
No fatalities recorded at this mine.
Reportable incidents
8 on file2025 · 2 incidents
February 5, 2025
OK · Metal/Non-Metal
laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman
HANDLING OF MATERIALS
Dolese Brothers Company · Caught in, under or between a moving and a stationary object
Employee smashed EE's finger between equipment and conveyor.
1985 · 1 incident
March 25, 1985
OK · Metal/Non-Metal
maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech
SLIP OR FALL OF PERSON
Dolese Brothers Company · Fall from ladders
EE WAS STNADING ON A LADDER ON A LOADER WHEN THE LADDER SLIPPED & THE EE FELL TO THE SHOP FLOOR.
1984 · 2 incidents
Dolese Brothers Company · Fall from ladders
EMP WAS STANDING ON A LADDER AND WELDING WHEN HE LOST HIS BALANCE AND FELL
Dolese Brothers Company · Over-exertion (Not Elsewhere Classified)
EMPLOYEE RECEIVED A HERNIA IN LEFT GROIN AREA WHILE USING A SLEDGE HAMMER TO DISLODGE A ROCK FROM THE CRUSHER
1983 · 3 incidents
August 24, 1983
OK · Metal/Non-Metal
front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator
OCCUPATIONAL SKIN DISEASES
Dolese Brothers Company · Absorption of radiations, caustics, toxic and noxious substances
EMPLOYEE WAS WEARING MSHA NOISE DETECTION DEVICES WHILE DRIVING A TRUCK WHEN A RASH APPEARED ON HIS WAIST LEGS AND SHOULDERS RASH GREW WORSE OVER NIGHT
January 27, 1983
OK · Metal/Non-Metal
belt foreman, maintenance foreman, maintenance supervisor
HANDLING OF MATERIALS
Dolese Brothers Company · Over-exertion in lifting objects
HANDLING STEEL IN FRONT OF SHOP BLDG GOT A CATCH IN HIS BACK.
January 24, 1983
OK · Metal/Non-Metal
front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator
SLIP OR FALL OF PERSON
Dolese Brothers Company · Struck by falling object
EMPLOYEE HAD 20FT SECTION OF 8IN CHANNEL CONVEYOR BALANCED ON EDGE AND WAS STGANDSING WITH HIS BACK TO FRAME WAITING ON ANOTHER EMPLOYEE TO CLEAN A CUTTING TIP HE LOST HIS BALANCE AND FELL BACKWARD AS FRAMEWORK FELL FORWARD AGAINST HIS LEGS
For insurers, brokers, and safety consultants
The full compliance file on Big Canyon Rock 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.