Mining Incidents

Mountain Valley Stone Inc Metal/Non-Metal

Heber, Summit County, UT  ·  Active
MSHA Mine ID: 4202121

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Fatalities
0
Total incidents
34
Years on record
2001–2026
Latest incident
Mar 2026
Compliance record
MSHA citations since 2000
146
citations
30
significant & substantial
$21,351
proposed penalties
$19,905
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 13,433 2 0 148.9
2025 Q3 15,435 2 0 129.6
2025 Q2 13,186 0 0 0.0
2025 Q1 13,694 4 0 292.1
2024 Q4 12,998 0 0 0.0
2024 Q3 16,991 2 1 117.7
2024 Q2 15,692 0 0 0.0
2024 Q1 16,649 3 1 180.2
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

34 on file

2026 · 2 incidents

March 12, 2026 UT · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer HANDLING OF MATERIALS
Mountain Valley Stone, Inc. · 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.

January 21, 2026 UT · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor SLIP OR FALL OF PERSON
Mountain Valley Stone, Inc. · 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

December 30, 2025 UT · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer HANDTOOLS (NONPOWERED)
Mountain Valley Stone, Inc. · 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

September 21, 2023 UT · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer HANDLING OF MATERIALS
Mountain Valley Stone, Inc. · 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.

January 16, 2023 UT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Mountain Valley Stone, Inc. · 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

May 28, 2022 UT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Mountain Valley Stone, Inc. · 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

May 22, 2020 UT · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer HANDTOOLS (NONPOWERED)
Mountain Valley Stone, Inc. · 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

March 25, 2019 UT · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer MACHINERY
Mountain Valley Stone, Inc. · 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.

March 7, 2019 UT · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Mountain Valley Stone, Inc. · 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

July 27, 2010 UT · Metal/Non-Metal ledgeman/hand, quarry man HANDTOOLS (NONPOWERED)
Mountain Valley Stone, Inc. · 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

July 30, 2009 UT · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer HANDTOOLS (NONPOWERED)
Mountain Valley Stone, Inc. · Struck by... (Not Elsewhere Classified)

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

January 26, 2009 UT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Mountain Valley Stone, Inc. · 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

September 9, 2008 UT · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer HANDTOOLS (NONPOWERED)
Mountain Valley Stone, Inc. · 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.

April 22, 2008 UT · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Mountain Valley Stone, Inc. · 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

October 23, 2007 UT · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer MACHINERY
Mountain Valley Stone, Inc. · 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.

May 10, 2007 UT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Mountain Valley Stone, Inc. · 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

September 20, 2005 UT · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer HANDLING OF MATERIALS
Mountain Valley Stone, Inc. · Over-exertion in lifting objects

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

September 1, 2005 UT · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer HANDTOOLS (NONPOWERED)
Mountain Valley Stone, Inc. · Struck by... (Not Elsewhere Classified)

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

June 24, 2005 UT · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer HANDLING OF MATERIALS
Mountain Valley Stone, Inc. · Over-exertion in lifting objects

The employee was lifting large rocks and strained his back.

May 6, 2005 UT · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer HANDLING OF MATERIALS
Mountain Valley Stone, Inc. · 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.

May 3, 2005 UT · Metal/Non-Metal brakeman, roperider, car runner, spotterman, snapper, trip rider, car rider, flagman HANDTOOLS (NONPOWERED)
Mountain Valley Stone, Inc. · 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.

April 27, 2005 UT · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Mountain Valley Stone, Inc. · Caught in, under or between (Not Elsewhere Classified)

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

April 26, 2005 UT · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer HANDTOOLS (NONPOWERED)
Mountain Valley Stone, Inc. · 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.

2004 · 7 incidents

December 29, 2004 UT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Mountain Valley Stone, Inc. · Struck by falling object

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

September 8, 2004 UT · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer HANDTOOLS (NONPOWERED)
Mountain Valley Stone, Inc. · Over-exertion in wielding or throwing objects

Miner strained his back while chipping stone.

September 1, 2004 UT · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer HANDLING OF MATERIALS
Mountain Valley Stone, Inc. · Over-exertion in lifting objects

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

July 27, 2004 UT · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer HANDTOOLS (NONPOWERED)
Mountain Valley Stone, Inc. · Struck by... (Not Elsewhere Classified)

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

July 22, 2004 UT · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer HANDLING OF MATERIALS
Mountain Valley Stone, Inc. · Struck by falling object

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

July 21, 2004 UT · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer HANDTOOLS (NONPOWERED)
Mountain Valley Stone, Inc. · Struck by... (Not Elsewhere Classified)

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

May 25, 2004 UT · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer HANDTOOLS (NONPOWERED)
Mountain Valley Stone, Inc. · Struck by falling object

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

2001 · 1 incident

August 20, 2001 UT · Metal/Non-Metal miner, nec HANDLING OF MATERIALS
Mountain Valley Stone, Inc. · 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