Mining Incidents

Mountain Valley Stone IncMetal/Nonmetal

Heber, Summit County, UT · Active
MSHA Mine ID: 4202121
Fatalities
0
Total incidents
34
Years on record
2001–2026
Latest incident
Mar 2026
No fatalities recorded at this mine.

Reportable incidents

34 on file

2026 · 2 incidents

Struck by falling object

Employee was unloading a 3"" stone cap from the guillotine. Employee was pulling the stone towards them when the stone came off the metal roller wheels, the stone fell and crushed a hand between stone and the metal table.

Fall to the walkway or working surface

On 01/21/2026, EE went to warm up EE's machine. In the process of walking over to EE's machine to access the ladder to climb into the cab EE slipped on a patch of ice falling backwards. As it was dark when EE parked EE's piece of equipment EE had not seen the patch of ice. It was early enough in the morning EE could not see the patch of ice in the morning either.

2025 · 1 incident

Caught in, under or between a moving and a stationary object

Employee was splitting flagstone with a chisel and hammer the stone they were working on opened up. When employee took the chisel out of the opening of the split rock, the rock closed on their right index finger. A rupture wound from the pressure exerted on the finger and a small tip fracture was the result of the incident.

2023 · 2 incidents

Struck by rolling or sliding object

The miner was sorting stone to begin splitting the stone. They pushed a stone out of the way to get to the other stone. The stone they pushed, was unstable and came back crushing the miners thumb between two large stones.

Struck by... (Not Elsewhere Classified)

An object came in contact with the safety on a pneumatic staple gun. Resulting in EE shooting EE's left index finger with a staple. EE was performing regular duties, making wood boxes/crates for flagstone rocks. EE had the staple gun in one hand, the air hose in the other hand when the safety disengaged and fired a staple into EE's left index finger.

2022 · 1 incident

Caught in, under or between a moving and a stationary object

Miner was repositioning a stone at the guillotine, when the stone EE was handling slipped and EE tried to catch it, it pinched EE's finger on right hand between the stone and the guillotine. Fractured EE's fingertip, no open wounds, bruising EE's right middle finger.

2020 · 1 incident

Struck by... (Not Elsewhere Classified)

Miner was splitting flag stone with Hammer and chisel. EE missed the chisel head and struck EE's ring finger with hammer against the stone.

2019 · 2 incidents

Caught in, under or between a moving and a stationary object

Worker was operating a guillotine stone splitter. While adjusting a stone with worker's hand to be split, the worker pressed the pedal to lower the guillotine down to split the stone, and the machine came down on worker's hand. This resulted in a severe laceration on the top and bottom of the hand, wrist dislocation, and bone fractures.

Struck by falling object

Loader operator was adjusting material on a pallet when the operator's hand slipped, and the stone fell, pinching operator's finger tip between the two stones.

2010 · 1 incident

Struck by... (Not Elsewhere Classified)

EE was splitting a stone with a hammer and chisel. The hammer glanced past the chisel striking his finger cutting it.

2009 · 2 incidents

Struck by... (Not Elsewhere Classified)

Employee was splitting stone with a hammer and chisel, missed the chisel and fractured a finger.

Struck by falling object

Injury slipped on the snow and fell. As he was falling, he grabbed for a pallet to catch his balance. A stone fell from the pallet and smashed his finger. He was taken to the clinic the next morning. An X ray was positive for a small fracture in his distal phalax of the first digit of the left hand.

2008 · 2 incidents

Struck by... (Not Elsewhere Classified)

A chisel that was being used to break a stone, shot up after being hit and struck EE in the back of the head. EE had to recieve 3 staples.

Struck by... (Not Elsewhere Classified)

EE was bolting on a piece to his bucket. His fingers were cut by a piece of metal by the nut.

2007 · 3 incidents

Caught in, under or between (Not Elsewhere Classified)

Employee removed his glove to clean out rock debris from between two rollers on a guillotine. His coworker pushed a rock through the machine, he didn't realize and his finger was smashed.

Over-exertion in lifting objects

EE was trying to lift a large stone and strained his back.

Struck by falling object

EE looked away from a slab to get a tool or something, in that moment, the slab fell on its side.

2005 · 9 incidents

Over-exertion in lifting objects

Repetative lifting and motions caused employee to strain his lower back.

Struck by... (Not Elsewhere Classified)

Employee was hammering with a chisel the chisel slipped off the rock and struck his hand.

Over-exertion in lifting objects

The employee was lifting large rocks and strained his back.

Over-exertion in lifting objects

His upper back became very sore from lifting heavy rocks.

Over-exertion in lifting objects

EE was carrying a rock with a partner. His partner twisted the rock unexpectedly wich twisted his wrist injuring it.

Struck by flying object

EE was hammering a rock with a chisel, when a small piece of rock, or metal flew up and got stuck in his eye.

Caught in, under or between (Not Elsewhere Classified)

While removing an idler pulley from a trackhoe, finger was smashed.

Struck by... (Not Elsewhere Classified)

He was splitting a stone with a hammer and chisel, the stone came apart just as he was about to strike it. He smashed his finger between the stone and the hammer.

Struck by... (Not Elsewhere Classified)

While splitting stone by hand, finger was smashed.

2004 · 7 incidents

Struck by falling object

Miner was palletizing rock when other miner set rock on his hand.

Over-exertion in wielding or throwing objects

Miner strained his back while chipping stone.

Over-exertion in lifting objects

Miner strained muscle in lower back while picking up a rock.

Struck by... (Not Elsewhere Classified)

Miner hit his left ring finger with a hammer and broke the bone.

Struck by falling object

A rock fell over onto EE's foot and bruised the top of foot.

Struck by... (Not Elsewhere Classified)

Employee hit his thumb with a hammer and cracked the tip of the bone.

Struck by falling object

While splitting rock a rock fell onto foot and broke the metatarsal bone.

2001 · 1 incident

Caught in, under or between (Not Elsewhere Classified)

EE WAS SPLITTING STONE WITH HAMMER & CHISLE WHENSLAB SPLIT OFF EE REACHED OUT TO GRAB IT THE WEIGHT OF THE SLAB WAS MORE THAN HE ESTIMATED, SLABSMASHED HAND & WRIST TO GROUND