Mining Incidents

Moss Mine Metal/Non-Metal

Golden Vertex Corp · Surface
Controlled by Mako Mining Corp
Bullhead City, Mohave County, AZ  ·  Active
MSHA Mine ID: 0202367

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Fatalities
0
Total incidents
20
Years on record
2013–2025
Latest incident
Nov 2025
Compliance record
MSHA citations since 2013
127
citations
27
significant & substantial
$43,821
proposed penalties
$37,877
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 37,270 7 1 187.8
2025 Q3 34,762 0 0 0.0
2025 Q2 22,526 2 0 88.8
2025 Q1 15,928 7 1 439.5
2024 Q4 11,787 2 0 169.7
2024 Q3 33,866 0 0 0.0
2024 Q2 41,854 14 3 334.5
2024 Q1 41,814 0 0 0.0
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

20 on file

2025 · 2 incidents

November 17, 2025 AZ · Metal/Non-Metal master mechanic, foreman, supervisor HANDTOOLS (NONPOWERED)
Golden Vertex Corp · Struck by flying object

Employee was attempting to remove an old tooth from a 988K CAT loader. Employee struck the tooth of the 988K with a hammer causing a sliver of metal to enter the employee's leg.

November 17, 2025 AZ · Metal/Non-Metal master mechanic, foreman, supervisor HANDTOOLS (NONPOWERED)
Golden Vertex Corp · Struck by flying object

Employee was attempting to remove an old tooth from a 988K CAT loader. Employee struck the tooth of the 988K with a hammer causing a sliver of metal to enter the employee's leg.

2024 · 2 incidents

April 8, 2024 AZ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Golden Vertex Corp · Struck against a moving object

A loader operator was loading waste in the pit, when the bucket contacted a hard toe in the dig face that jarred the loader and the operator's back. The operator was taken to the hospital for evaluation and was diagnosed with trauma to their lumbar region.

March 29, 2024 AZ · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler SLIP OR FALL OF PERSON
Golden Vertex Corp · Over-exertion (Not Elsewhere Classified)

A fuel and lube technician was dismounting a dozer. They were using 3-points of contact and as they placed their right foot on the ground, they felt a pain in their right knee and their knee gave out. The ground conditions were good.

2023 · 1 incident

July 15, 2023 AZ · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker HANDLING OF MATERIALS
Golden Vertex Corp · Struck by... (Not Elsewhere Classified)

Employee was working between cones one and two on the ground level on the ladder for CV1 zero speed on the belt. As EE was dismounting the ladder, EE snagged EE's harness on a Unistrut and continued down the ladder unaware EE has sustained a laceration.

2022 · 2 incidents

June 29, 2022 AZ · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey HANDTOOLS (NONPOWERED)
Golden Vertex Corp · Struck by... (Not Elsewhere Classified)

Employee was using a utility knife to cut a heavy hose. EE was cutting away from EE's body when the knife slipped and caught EE's right thumb. The laceration resulted in stitches.

June 1, 2022 AZ · Metal/Non-Metal assayer, geologist, metallurgist, engineer, engineer management SLIP OR FALL OF PERSON
Golden Vertex Corp · Fall onto or against objects

EE fell while staking out ore control on rocks. EE slightly scratched lower left leg from the rock. EE stated when EE reported the incident to mine personnel on 6/22/22 that the scratch did not break the skin & EE didn't perform first-aid to clean wound. Miner sought medical treatment on 6/22/22 where EE was treated for a staph infection & MRSA. Miner is back to full duty as of 7/1

2020 · 3 incidents

July 30, 2020 AZ · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Golden Vertex Corp · Fall onto or against objects

Employee was raising mast on light plant when the cable broke inside the mast itself and employee jumped out of the way, banging left shin on the outrigger of the light plant causing a 1 inch laceration requiring one staple to close.

July 11, 2020 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Golden Vertex Corp · Struck by flying object

Employee was replacing a ripper tooth on a dozer and while striking the tooth to loosen it, a shard came off and entered EE's left leg just below the knee. It severed a vein and it required medical treatment to repair it.

May 15, 2020 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Golden Vertex Corp · Struck by falling object

Employee dropped a heel plate onto tip of right ring finger crushing the distal joint tissue.

2019 · 6 incidents

October 31, 2019 AZ · Metal/Non-Metal drill operator SLIP OR FALL OF PERSON
Golden Vertex Corp · Fall onto or against objects

While entering the drill cab from the drill deck Employee slipped on the deck and landed on the door jam with their chest. Employee fractured #11 rib and was placed on modified duty.

September 17, 2019 AZ · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker HANDLING OF MATERIALS
Golden Vertex Corp · Caught in, under or between a moving and a stationary object

After locking out the CV7 grasshopper. Employee climbed into the tail pulley area to start cleaning out the dirt. when there was a shift in the material and their leg got caught in a pinch point.

August 20, 2019 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Golden Vertex Corp · Caught in, under or between running or meshing objects

Mechanic was grinding off a stripped bolt when grinder jumped and struck left wrist causing a 1 - 1 1/2 inch cut which required sutures to close.

June 20, 2019 AZ · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Golden Vertex Corp · Fall from machine

Employee slipped while dismounting a 10-wheel water truck and fell to ground fracturing a bone in EE's right wrist.

June 5, 2019 AZ · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler DISORDERS (PHYSICAL AGENTS)
Golden Vertex Corp · Contact with heat

First hot day of season, an Oiler was changing filters on truck when they started feeling dizzy. Seen at ER where they were given 2 bags IV fluid for dehydration and released.

March 22, 2019 AZ · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Golden Vertex Corp · Over-exertion in lifting objects

Truck driver strained back muscle while rolling rock out of the way.

2018 · 3 incidents

November 6, 2018 AZ · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Golden Vertex Corp · Over-exertion (Not Elsewhere Classified)

Employee was working on a blast pattern loading holes with 50 lb. bagged ANFO. Employee reported feeling like EE had thrown back out and upon subsequent medical evaluation, it was discovered EE had a mild compression fracture of the T-12 vertebrae.

August 7, 2018 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Golden Vertex Corp · Caught in, under or between a moving and a stationary object

Technician had unloaded engine with service truck crane and placed it on the ground. Was disconnecting hooks from engine. Had left hand on lifting hook and needed to reduce tension to release hook. Meant to push the hoist down button on crane control but hit the boom out increasing hook tension, pinching finger.

April 10, 2018 AZ · Metal/Non-Metal leaching operator HANDTOOLS (NONPOWERED)
Golden Vertex Corp · Struck by... (Not Elsewhere Classified)

Worker was cutting the banding off the drip hose when the knife slipped and cut left forearm.

2013 · 1 incident

July 25, 2013 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman OTHER
Golden Vertex Corp · Unclassified, insufficient data

Experienced muscle cramps, vomiting, dehydration No loss of consciousness. Taking lisinopril for high blood pressure.