Mining Incidents

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Every injury and fatality MSHA has on file. Filter by state, year, sector, classification, experience, or any keyword from the investigator's narrative.

Total incidents
273,095
Of which fatal
1,202
Years on record
2000–2026
Classifications
20
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The record

209 total records

Showing 50 of 209
February 20, 2026 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
GCC Rio Grande Inc · Struck by flying object

Was Changing support rollers on 57101 Clinker Pan conveyor. Was using standard steel 3lb sledgehammer to drive the rollers into the bracket on the pan. The hammer glanced off the end of the roller and struck the heat-treated flange of the roller causing a shard of steel to break off and lodge in leg. The employee was taken to clinic and released back to work with no restrictions.

February 7, 2026 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech NONPOWERED HAULAGE
GCC Rio Grande Inc · Caught in, under or between a moving and a stationary object

The employee was lifting a wheelbarrow to dump contents into the hopper. The ring on EE's left ring finger got snagged and popped the finger, causing pain and swelling.

December 5, 2025 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
GCC Rio Grande Inc · Struck by flying object

Miner was cleaning the tower using a bar and a sledgehammer. Miner hit the bar with a hammer; a piece of metal broke off and flew into the miner's eye.

November 24, 2025 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
GCC Rio Grande Inc · Over-exertion in wielding or throwing objects

Miner was shoveling rock into buckets at the tail end of the limestone tunnel and hauling the buckets outside the tunnel to dump. Miner hurt their lower back in the process.

September 2, 2025 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
GCC Rio Grande Inc · Over-exertion in pulling or pushing objects

Employee was pushing forks together on a telehandler when EE felt a pain in EE's left bicep.

July 12, 2025 CO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
GCC Rio Grande Inc · Struck against a moving object

A delivery driver employed by a water supply vendor was in route to the facility when the tanker truck overturned and slid off the road. Investigation ongoing

April 1, 2025 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
GCC Rio Grande Inc · Struck by falling object

Employee was torqueing studs at Finish Mill. Employee dropped nut on foot.

February 24, 2025 NM · Metal/Non-Metal ENTRAPMENT
GCC Rio Grande, Inc. · Accident type, without injuries

Mill Manlift gearbox broke. Miner was entrapped in manlift for 38 minutes. Miner egressed out emergency exit of manlift roof.

December 28, 2024 CO · Metal/Non-Metal miner, prospector, nec OTHER
GCC Rio Grande Inc · Bodily reaction, (Not Elsewhere Classified)

Employee was climbing ladder in the reclaimer when they felt a pinch in lower left back.

October 22, 2024 CO · Metal/Non-Metal ledgeman/hand, quarry man SLIP OR FALL OF PERSON
GCC Rio Grande Inc · Fall to the walkway or working surface

Employee was at TT1 Transfer belt when EE's head came into contact with a cross member beam. The employee tripped and fell to the ground where EE suffered an injury to their ankle.

September 17, 2024 CO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver OTHER
GCC Rio Grande Inc · Unclassified, insufficient data

A Contract Truck Driver arrived on the Pueblo Plant South Truck Bay Shipping Loadout. Two GCC employees noticed this driver was laying on the platform with their head and neck area on the midrail of the gangway. After assisting the drive to their feet, driver was able to climb up the stairs under their own power.

March 6, 2024 NM · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
GCC Rio Grande, Inc. · Struck against stationary object

Miner was using pneumatic jackhammer (rivet buster) on a sidewall performing refractory demolition when the bit broke, causing the tool to slip and impact EE's left hand against the wall. Miner has laceration and fracture on left index finger.

February 24, 2024 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
GCC Rio Grande Inc · Struck by powered moving object

Miner was an employee of a sub-contractor under direction of Lonestar Sierra. Miner was walking to contractor parking lot after shift ended. Plant EE was driving on plant road when EE struck miner while miner was crossing the road. Miner was transported to a nearby er for evaluation. Initial reports indicated no broken bones or serious injuries. Miner advised miner was sore.

February 10, 2024 CO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
GCC Rio Grande Inc · Struck by falling object

Employee was operating a Brokk machine in the kiln when a capped brick came loose from overhead and struck EE in the right shoulder. Employee had a right shoulder strain from the impact.

February 2, 2024 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech FALLING/SLIDING/ROLLING MATERIALS
GCC Rio Grande Inc · Struck by falling object

Combination wrench fell from upper level striking employee in right shoulder

December 12, 2023 NM · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
GCC Rio Grande, Inc. · Struck by flying object

Foreign object went in right eye while driving mobile equipment. Eye became infected and required anti-biotics prescription.

December 11, 2023 NM · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
GCC Rio Grande, Inc. · Over-exertion (Not Elsewhere Classified)

Miner mis-stepped on uneven working surface and inquired their left ankle.

October 9, 2023 CO · Metal/Non-Metal miner, prospector, nec HANDTOOLS (NONPOWERED)
GCC Rio Grande Inc · Caught in, under or between a moving and a stationary object

EE was trying to clear out a port on the tower with a bar. EE hit the material twice and on the third time the material fell from the wall of the riser, the momentum of them pushing caused their finger to get pinched between the tab on the bar and the port on the riser.

September 14, 2023 NM · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
GCC Rio Grande, Inc. · Bodily reaction, (Not Elsewhere Classified)

Miner pivoted on right leg to turn towards workbench. Their knee made a "pop" sound and immediately they felt pain and informed their supervisor.

September 4, 2023 CO · Metal/Non-Metal electrician, lineman SLIP OR FALL OF PERSON
GCC Rio Grande Inc · Fall from ladders

Electrician using a ladder 15 feet in the air asked spotter who was holding ladder to retrieve a different tool. When spotter let go of the ladder it slipped out from underneath EE. Electrician was using fall protection, the force of EE stopping caused strains in EE's back and hip.

June 24, 2023 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
GCC Rio Grande Inc · Caught in, under or between a moving and a stationary object

Miner was using a bar to clean buildup inside of preheat tower. A large chunk of material broke free hitting the edge of the bar causing the end that the miner was holding to lurch up pinching EE's index finger against the metal frame of the tower.

January 23, 2023 NM · Metal/Non-Metal lab technician HANDLING OF MATERIALS
GCC Rio Grande, Inc. · Over-exertion in lifting objects

Miner making rounds collecting samples for the lab. Strained right shoulder lifting elevator doors.

December 21, 2022 CO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
GCC Rio Grande Inc · Over-exertion in lifting objects

Worker was sliding scraper liners on a pallet and felt a strain on left side of stomach.

December 13, 2022 CO · Metal/Non-Metal FIRE
GCC Rio Grande Inc · Accident type, without injuries

Built up shredded wood chips and tire chips that were left from previous work on rotary feeder (floor 5) caught fire. Damage consisted of electrical conduit and air regulators for the air line.

January 10, 2022 NM · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
GCC Rio Grande, Inc. · Caught in, under or between a moving and a stationary object

Employee was unfamiliar with this type of Freight Elevator and while closing the elevator door, smashed EE's ungloved hand between the doors.

November 24, 2021 NM · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
GCC Rio Grande, Inc. · Fall to the walkway or working surface

While walking from B Belt up C Belt, slipped with coal on floor and twisted knee.

November 23, 2021 NM · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor HANDLING OF MATERIALS
GCC Rio Grande, Inc. · Over-exertion in wielding or throwing objects

Employee was throwing a bag of trash into the dumpster.

September 21, 2021 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
GCC Rio Grande Inc · Fall from ladders

Climbing extension ladder to get platform on front of crusher to check main belt take-up adjustment. Slipped and/or lost footing and fell about 8' on back.

September 17, 2021 CO · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant SLIP OR FALL OF PERSON
GCC Rio Grande Inc · Fall to the walkway or working surface

Disposing excess raw material in appropriate pile. Tripped over unseen rock and fell on left side, elbow, arm and shoulder.

June 19, 2021 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
GCC Rio Grande Inc · Over-exertion in wielding or throwing objects

Swinging sledge hammer to open slide gate.

May 20, 2021 NM · Metal/Non-Metal miner, prospector, nec HANDLING OF MATERIALS
GCC Rio Grande, Inc. · Over-exertion (Not Elsewhere Classified)

Employee did the line change on the 6" line to set up in cement Silo, then came down from Silo to inspect Kiln grease system and proceeded to clean additive system shoveling material and pain got worse. EE attempted to sit in the 320 loader, but the pain intensified. EE immediately reported it to the control room to report it to the supervisor.

May 20, 2021 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
GCC Rio Grande Inc · Struck by... (Not Elsewhere Classified)

Currently under investigation with MSHA

May 14, 2021 NM · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant DISORDERS (REPEATED TRAUMA)
GCC Rio Grande, Inc. · Over-exertion (Not Elsewhere Classified)

Over the course of over three to four months and with increasing frequent use of grinding bowls and auto-sampler buckets, tendinitis set in to left thumb and right forearm.

March 22, 2021 CO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
GCC Rio Grande Inc · Over-exertion (Not Elsewhere Classified)

Cleaning off a table in the raw mill, employee stepped over wheel, leg got stuck and twisted ankle.

January 28, 2020 CO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
GCC Rio Grande Inc · Over-exertion (Not Elsewhere Classified)

Walking from parking lot to building, stepped on ice, slipped and twisted both knees.

December 5, 2019 NM · Metal/Non-Metal plumber, pipefitter, millwright EXPLODING VESSELS UNDER PRESSURE
GCC Rio Grande, Inc. · Struck by flying object

Raw FK line that transports material was plugged with rock and wet material. Employee went to check line on top of electrical room. Employee then removed cap while line was pressurized. Left ear, Face and upper body impairment.

November 13, 2019 CO · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant SLIP OR FALL OF PERSON
GCC Rio Grande Inc · Over-exertion (Not Elsewhere Classified)

Employee was measuring coal piles in the long shed and lost footing due to loose material. Employee split legs and felt pain in pelvic area upon recovery of fall.

November 8, 2019 CO · Metal/Non-Metal FIRE
GCC Rio Grande Inc · Accident type, without injuries

RRT Fire. The slide gate on the TDF system was closed (Showing open in control room). This caused material to back up. Maintenance cleared the plug and opened the gate. The leftover RRT was left on the rotary feeder level. The material ignited from the heat and caused electrical damage.

October 16, 2019 CO · Metal/Non-Metal drill operator MACHINERY
GCC Rio Grande Inc · Caught in, under or between a moving and a stationary object

The driller was tramming the drill off of the lowboy trailer, the driller had the door of the drill locked open in order to see the edge of the trailer. When the driller reached the point where it tipped forward onto the ramp, the driller reached out and grabbed the door frame, the jolt released the door lock lever, slamming the door onto the driller's hand.

August 26, 2019 NM · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
GCC Rio Grande, Inc. · Struck by flying object

Team was attempting to seat the elevator take up sprockets back into the chain. The take up was stuck and the employee attempted to free it by striking it with a sledgehammer which accidently struck the hardened tooth and a piece broke free penetrating their left thigh. Employee was taken to Concentra and redirected to Urgent Care.

April 29, 2019 NM · Metal/Non-Metal miner, prospector, nec MACHINERY
GCC Rio Grande, Inc. · Caught in, under or between running or meshing objects

Right hand pointer finger smashed

April 27, 2019 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
GCC Rio Grande Inc · Struck by falling object

Pulled plate from hopper to dump, slipped from hand and fell on foot.

March 13, 2019 CO · Metal/Non-Metal electrician, lineman ELECTRICAL
GCC Rio Grande Inc · Flash burns (electric)

Troubleshooting multi-voltage drive, trying to diagnose 480volt side. I personally locked out 4160 volt several times. A co-worker with a 600 volt meter attempted to check continuity on 4160 and the meter blew up.

February 8, 2019 NM · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
GCC Rio Grande, Inc. · Caught in, under or between a moving and a stationary object

Contractor was rolling a conveyor chute out of the way and hand was pinched between the chute and the wall cutting EE's left pinky finger.

September 24, 2018 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
GCC Rio Grande Inc · Fall from machine

Climbing across railcar ladder, foot slipped or missed step and employee fell approximately 5ft. Trying to catch self, injuring right wrist.

Showing 50 of 209