Mining Incidents

Greenhill Materials Metal/Non-Metal

Controlled by Howard Sherwood
Catoosa, Rogers County, OK  ·  Active
MSHA Mine ID: 3401841

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Fatalities
0
Total incidents
13
Years on record
2000–2023
Latest incident
Jan 2023
Compliance record
MSHA citations since 2001
256
citations
74
significant & substantial
$112,027
proposed penalties
$101,941
paid to date
Source: MSHA violations data, updated weekly.
Quarterly safety rates
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 25,817 0 0 0.0
2025 Q3 22,346 0 0 0.0
2025 Q2 25,960 6 0 231.1
2025 Q1 20,208 18 2 890.7
2024 Q4 18,240 0 0 0.0
2024 Q3 21,440 1 1 46.6
2024 Q2 19,160 0 0 0.0
2024 Q1 21,648 13 1 600.5
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

13 on file

2023 · 1 incident

January 6, 2023 OK · Metal/Non-Metal electrician, lineman ELECTRICAL
Sherwood Construction Company Inc · Contact with hot objects or substances

Electrician was checking voltage on new circuit breaker when it started making a noise and the started arching. When arching occurred there was a large flash causing 2nd degree burns to the electricians right thumb and forefinger. Electrician was treated and released back to work the same day.

2014 · 1 incident

October 3, 2014 OK · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Sherwood Construction Company Inc · Struck by falling object

The men were hoisting a 50hp electrical motor up to the 2nd level platform with a boom truck when the chains came loose from the motor causing the motor to come loose falling approx 4' smashing EE left foot

2013 · 3 incidents

September 18, 2013 OK · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Sherwood Construction Company Inc · Struck against a moving object

Operator was driving a haul truck when he ran over a bump in the road causing him to bite the inside of his lip

March 9, 2013 OK · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor HANDLING OF MATERIALS
Sherwood Construction Company Inc · Caught in, under or between a moving and a stationary object

The employee was attempting to free up a curtain on a secondary crusher that had gotten hung up in the open position. The employee freed the curtain causing it to free fall smashing his left hand fifth finger

February 19, 2013 OK · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
Sherwood Construction Company Inc · Struck by flying object

The employee was removing steel anvils from a crusher ring using a #10 sledge hammer when the anvil shattered and a piece of it struck him in the forehead about an 1" above the left eye. The employee nor the foreman working beside him were wearing their PPE.

2012 · 1 incident

April 30, 2012 OK · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Sherwood Construction Company Inc · Struck against a moving object

The operator backed into a concrete wing wall at the railcar loading ramp causing a puncture in the sidewall which resulted in the tire blowing out. The operator recieved a strain to her left thumb and wrist while firmly holding on to the steering wheel of her haul truck.

2011 · 2 incidents

August 15, 2011 OK · Metal/Non-Metal superintendent HANDLING OF MATERIALS
Sherwood Construction Company Inc · Caught in, under or between a moving and a stationary object

Fracture and laceration to the distal tip of the right 5th digit from being caught between an electrical transformer and bed of truck.

August 1, 2011 OK · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler DISORDERS (PHYSICAL AGENTS)
Sherwood Construction Company Inc · Contact with heat

Employee was changing the oil on a rock truck and started to feel dizzy. Climbed into cab of oil truck to cool down and passed out. Employee was found unconscious and was taken to hospital. He was admitted overnight for observation.

2006 · 1 incident

April 13, 2006 OK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
Sherwood Construction Company Inc · (Not Elsewhere Classified)

Foley Caterpillar mechanic while working on the exhaust system of a rock truck was observed by quarry personnel to take a break for shade and water. When next observed, the mechanic was lying down. The quarry personnel stopped to check mechanic; 911 was called. Health conditions determined heart failure.

2005 · 1 incident

2003 · 1 incident

January 27, 2003 OK · Metal/Non-Metal miner, nec DISORDERS (REPEATED TRAUMA)
Sherwood Construction Company Inc · (Not Elsewhere Classified)

AUDIOMETRIC RESULTS REVEALED EVIDENCE OF HEARING LOSS (6K) MORE THAN 10 DB IN LEFT EAR SHIFT. (3K) MORE THAN 10 DB IN RT. EAR SHIFT.

2000 · 2 incidents

December 11, 2000 OK · Metal/Non-Metal miner, nec ALL OTHER OCCUPATIONAL ILLNESSES
Sherwood Construction Company Inc · (Not Elsewhere Classified)

REPEATED VIBRATION/MOTION WHILE OPERATING HEAVY EQUIPMENT RESULTING IN DEGENERATIVE DISKS.

March 20, 2000 OK · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Sherwood Construction Company Inc · Fall from machine

DURING WET SURFACE CONDITIONS THE INJURED EMPLOYEE SLIPPED AND STRAINED THE LOWER LUMBAR PORTIONS OF HIS BACK. EMPLOYEE WAS ON LIMITED DUTY FOR 4 DAYS.