Mining Incidents

Comstock / Mountain Lion Metal/Non-Metal

Utah Iron, LLC · Surface
Cedar City, Iron County, UT  ·  Temporarily Idled
MSHA Mine ID: 4201927

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Fatalities
1
Total incidents
33
Years on record
2011–2024
Latest incident
Oct 2024
Compliance record
MSHA citations since 2009
186
citations
46
significant & substantial
$162,860
proposed penalties
$135,695
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 3,173 0 0 0.0
2025 Q3 1,200 0 0 0.0
2025 Q1 121,546 0 0 0.0
2024 Q4 4,674 14 5 2995.3
2024 Q3 81,556 5 1 61.3
2024 Q2 4,695 0 0 0.0
2024 Q1 88,014 7 0 79.5
2023 Q4 5,171 0 0 0.0
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

Fatalities at this mine

1 recorded
February 1, 2014 UT · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider Fatality · POWERED HAULAGE
Gilbert Development Corp. · Caught in, under or between running or meshing objects

Miner became entangled in belt return roller and sustained fatal injuries. Equipment involved was Rahco mobile stacker, Model m30x1500.

Reportable incidents

32 on file (excluding fatalities above)

2024 · 6 incidents

October 16, 2024 UT · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor HANDTOOLS (NONPOWERED)
Utah Iron, LLC · Struck by flying object

Employee #1 was swinging a sledgehammer, and it slipped out of employee #1's hands and struck employee #2 in the knee.

October 1, 2024 UT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Utah Iron, LLC · Fall from machine

Went to exit bed of truck after securing transfer tank. Stepped up on right rear with both feet, lowered right foot to descend to ground. Fuel residue from truck bed caused boot to slip off tire and fall to the ground.

August 2, 2024 UT · Metal/Non-Metal mechanic helper SLIP OR FALL OF PERSON
Utah Iron, LLC · Fall down stairs

Had wet feet slipped on stairs, put out right hand to catch themselves. Sprained wrist.

July 31, 2024 UT · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor MACHINERY
Utah Iron, LLC · Struck against a moving object

Taking the dozer up to push cone over. Material gave way under the track tipping dozer over.

May 14, 2024 UT · Metal/Non-Metal steel worker, iron metal worker, iron worker OTHER
Utah Iron, LLC · (Not Elsewhere Classified)

Employee was working and fell to knees, the Dr later stated that the employee had a stroke and is not work related

May 2, 2024 UT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Utah Iron, LLC · Caught in, under or between a moving and a stationary object

8" pipe was being installed underneath East end on filter press #3. The pipe was supported by an overhead crane on the south end and a come along on the north end. Somehow the rigging slipped causing the pipe to come up on the south end at this time, EE's hand was smashed between the pipe and a beam that was above the area EE was working in.

2023 · 4 incidents

October 19, 2023 UT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Utah Iron, LLC · Caught in, under or between a moving and a stationary object

Employee was packing some grating to work on some flooring. Employee slipped and landed with body weight on the grating with hand caught between the floor and grating. Employee's hand is broken and underwent surgery the next day. Employee is on doctor's work restriction until rehabilitation is complete. Employee currently scheduled to return to work on 01/19/2024.

July 28, 2023 UT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Utah Iron, LLC · Fall from machine

A maintenance employee was performing elevated maintenance work on the ball mill. Employee was using fall protection. Employee was in the process of attaching a fall protection clip, when employee lost balance and fell. Employee complained of ankle pain. Employee was transported to the emergency room.

May 10, 2023 UT · Metal/Non-Metal master mechanic, foreman, supervisor HANDTOOLS (NONPOWERED)
Utah Iron, LLC · Rubbed or abraded

After using a metal hammer to adjust a gate, employee tossed the hammer. Unbeknownst to the employee, there was a metal "burr" on the hammer that cut their right index finger. Employee was taken to medical clinic for treatment. The employee's finger was treated with 10 stitches, and employee was released to return to work.

January 17, 2023 UT · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Utah Iron, LLC · Fall from machine

Employee was climbing onto D9 dozer and slipped and fell to the ground. According to medical examination, employee sprained left and right ankles. Will need to follow-up with podiatrist in one week.

2022 · 1 incident

July 31, 2022 UT · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor HANDLING OF MATERIALS
Utah Iron, LLC · Struck against stationary object

Employee was performing maintenance on a fan when EE's right hand struck an inactive blade, cutting the right index finger and knuckle. 9 stitches required. Employee is a supervisor; this injury will not limit EE's abilities to perform duties.

2021 · 4 incidents

December 12, 2021 UT · Metal/Non-Metal motorman, motor person, swamper, switchman, locomotive operator HANDLING OF MATERIALS
Utah Iron, LLC · Over-exertion in lifting objects

While attaching an air hose on a railcar employee twisted and felt and heard a pop in left shoulder

December 10, 2021 UT · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Utah Iron, LLC · Fall onto or against objects

Was fueling feed dozer during a snow storm. Slipped falling leg went between track and engine compartment, and fell the opposite way off dozer. Fracture of rt ankle.

December 10, 2021 UT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Utah Iron, LLC · Caught in, under or between a moving and a stationary object

Using a pry bar to change out a roller on conveyor, bar slipped and smashed employee's little finger on left hand, causing a fracture

June 13, 2021 UT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Utah Iron, LLC · Caught in, under or between a moving and a stationary object

While lowering a load on the overhead crane, rt thumb was crushed between a guard and the load.

2014 · 2 incidents

June 1, 2014 UT · Metal/Non-Metal welder (shop) OTHER
Gilbert Development Corp. · (Not Elsewhere Classified)

While preparing for his work became light headed, was taken to VVMC in Cedar he was later transferred to DRMC in St George. On 6/2/2014 he was transferred to SLC Hosp where he passed of natural causes related to his heart. GDC does not believe this constitutes a reportable event under the Mine Act, submits this form out of abundance of caution and err on the side of compliance.

January 16, 2014 UT · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Gilbert Development Corp. · Absorption of radiations, caustics, toxic and noxious substances

Miner was opening individual bags of lime, and pouring them into a super sack so that we could put it into the process. Miner had proper PPE on, but clean up man not have been sufficient. Miner dermatitis.

2013 · 10 incidents

December 31, 2013 UT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
CML Metals · Struck by... (Not Elsewhere Classified)

Employee was assisting another employee with an automatic dumping refuse dumpster. It triggered unexpectedly, recoiled, and crushed his left index finger.

November 30, 2013 UT · Metal/Non-Metal ledgeman/hand, quarry man HANDTOOLS (NONPOWERED)
CML Metals · Struck by... (Not Elsewhere Classified)

Employee was cutting the plastic binding on some filter cloths and slipped, cutting his left index finger.

August 20, 2013 UT · Metal/Non-Metal outside foreman, leadman MACHINERY
CML Metals · Struck by flying object

Injured person was using a 60lb jackhammer pounding T post in for construction fence, the ground was extra hard and jack hammer Tee post bit broke, pieces of bit still in hammer hit his right forearm causing a laceration requiring 19 stitches.

August 9, 2013 UT · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
CML Metals · Caught in, under or between a moving and a stationary object

Injured person was guiding the "bobcat" operator into position when suddenly the bucket moved "sideways" crushing his right foot. Fortunately there were no broken bones and the injured miner was placed on light duty due to a "contusion" to the right foot.

August 5, 2013 UT · Metal/Non-Metal electrician, lineman SLIP OR FALL OF PERSON
CML Metals · Over-exertion (Not Elsewhere Classified)

Employee slipped on floor on south side of the building. He did not actually fall, but "twisted" his back while trying to regain his balance.

June 26, 2013 UT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Gilbert Development Corp · Caught in, under or between (Not Elsewhere Classified)

Employee attempted to move a piece of rail road track that was laying on another piece of rail road track, by himself, when it moved, it rolled over and smashed his finger. He got stitches and they surgically repaired the right hand ring finger.

June 7, 2013 UT · Metal/Non-Metal outside foreman, leadman HANDTOOLS (NONPOWERED)
Gilbert Development Corp · Struck by... (Not Elsewhere Classified)

Employee was cutting "pex" pipe with a utility knife and the blade of the knife slipped, cutting his right thigh.

May 24, 2013 UT · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Gilbert Development Corp · Absorption of radiations, caustics, toxic and noxious substances

Operator was exposed to a new chemical in the mill. Minor burns oh his body. Took him in for medical care as a precaution.

March 2, 2013 UT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Gilbert Development Corp · Struck by falling object

The operator was removing a guard on the bottom of the belt, the guard slipped and fell on his hand causing a laceration on the middle finger of the left hand.

February 25, 2013 UT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Gilbert Development Corp · Struck by... (Not Elsewhere Classified)

Men were working on the rail cars on track 3 near the mill. Operator was using a grinder with no guard. The wheel caught on the metal and the grinder and the cutting wheel jumped up his forearm cutting it. We transported him to the Work Med clinic where he received 24 stitches. He was released to return to work, modified work release.

2012 · 2 incidents

August 9, 2012 UT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Gilbert Development Corp · Struck against stationary object

While replacing lid on 5 gal paint bucket, hand slipped off screw driver that was being used to bend tab over. Hand slipped off screw driver and index finger was cut by lid tab.

February 19, 2012 UT · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor SLIP OR FALL OF PERSON
Gilbert Development Corp · Fall onto or against objects

The employee was a supervisor observing work being done by 2 other workers in the SAG Mill. He turned and went to go around the gear being worked on and slipped and fell (same level fall) contacting the edge of metal grating causing a laceration on his rt shin. The laceration required stitches. The employee was released without restrictions.

2011 · 3 incidents

October 17, 2011 UT · Metal/Non-Metal rock driller HANDLING OF MATERIALS
Gilbert Development Corp · Caught in, under or between (Not Elsewhere Classified)

EE was performing maintenance and repairs on equipment when his hand got crushed between two pieces of steel.

July 13, 2011 UT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
Gilbert Development Corp · Caught in, under or between a moving and a stationary object

Index finger in left hand got pinched and cut between form clamp handle and scissor lift railing as lift was being raised.