The driller apparently attempted to load drill pipe into the carousel while the drill head was rotating. It appears a strap the driller was holding became entangled around the drill pipe after the drill pipe threaded into the drill head and rotated.
MT MARION PIT AND MILLMetal/Nonmetal
- Fatalities
- 1
- Total incidents
- 79
- Years on record
- 2000–2026
- Latest incident
- Jan 2026
Fatalities at this mine
1 recordedReportable incidents
78 on file (excluding fatalities above)2026 · 1 incident
Employee was walking & rolled EE's ankle
2025 · 6 incidents
Employee was cleaning a catwalk with a crowbar, missed their spot and hit themselves in the cheek.
Employee said they were lifting a box of 8 gauge shells weighing 50 lbs. and felt pain in their lower back.
Employee was walking around screen conveyor tail pulley when EE tripped over the guard and hit EE's knee.
Employee was using a utility knife to cut a piece of 6"" rubber skirt board.
Employee was cutting an old chute down in pieces and putting them on the ground when a sharp edge cut EE's finger.
Employee was carrying an acetylene tank when they felt a pulled muscle.
2024 · 9 incidents
Employee removed the guard on the 30"" stockpile conveyor snub roller. While it was running, EE put a crowbar in it to clean.
Employee was using a crowbar to open hatch in the tunnel when the bar slipped and employee hit elbow.
Employee was loosening bolts on the mill when they lost their grip and hit their arm on a piece of metal.
Employee was hitting a coal hopper with a 3lbs lump hammer and hit/jammed their finger.
Employee was hitting slug wrench with hammer when the nut came loose the wrench hit EE's finger.
Swinging hammer to tighten the wedges on crusher.
Employee was cleaning up material at the finish plant. EE walked up to the shop and told the supervisor to send the maintenance down to help when the super said the EE said hurt knee. *The EE was denied a vacation day for Friday.
Employee was picking up a piece of 2x2x1/4"" angle iron when EE dropped it on their finger.
2023 · 1 incident
Employee was walking when they tripped and fell, cutting their right palm.
2022 · 3 incidents
Employee was walking when the wind blew dust in EE's right eye.
When turning down head nut with pinch bar in shop, strained left shoulder.
Employee was unplugging the crusher when a rock hit them in the left forearm.
2021 · 3 incidents
Employee was adjusting a 425 Symonds crusher using a come-along adjusting bolts, was not loose. Employee ""side loaded"" come-along breaking connection to hook, causing chain to hit EE in EE's side/back.
Employee was cleaning a chute with a bar and pulled muscle in shoulder.
Employee was removing a trunnion cover from the front pier on #1 kiln when they turned and felt a pain in groin area.
2020 · 2 incidents
Employee was discarding old scrap metal into a dumpster and hit pinky.
Employee was relining a chute when the ""D"" ring welded in the chute broke off dropping the steel on EE's left foot.
2019 · 2 incidents
Employee was walking under #1 kiln by tunnel entrance when employee *said* employee slipped on ice. *NO ICE WAS FOUND!
Employee was wheeling brick in kiln when employee said employee felt a pain.
2018 · 5 incidents
Employee was replacing guard on Portable Plant head pulley conveyor
On 11/26/18 EE was asked to help maintenance employee then said couldn't do it because EE hurt back on 11/21/18. This was at start-up.
Walking to EE's pickup truck, lunch time, twisted left ankle. Note, in employee parking lot.
Check kiln operations stepped on empty shell casing while adjusting air door.
2017 · 1 incident
Employee opened breach door on rear of #1 kiln. Walking down stairs, lost footing, missed step.
2016 · 3 incidents
Employee said in the first 15 min of start of shift needed to move the gun and pulled something in lower back.
Employee was about to change drive belts on the screen and lost footing. Put left arm out and dislocated shoulder.
Operating a jack hammer. *Employee said they must have done this here because they don't work at home.
2015 · 1 incident
Employee was shoveling in #1 tunnel doing cleanup.
2014 · 4 incidents
Installing a motor mount on the pony motor in the shop. Caught his middle finger in the hole on the mount.
While climbing #1 bucket elevator to grease on top, dust or stone got in left eye.
Walking from bathroom by the back door of #2 kiln on the west side stepped on rock or rut
2013 · 3 incidents
EE said he was moving the kiln gun away from the kiln after shooting a ring out and slipped off diamond plate and hurt his pinky.
Putting a conveyor belt splice in the 3/4 conveyor @ the finish plant.
A breaking switch located in the portable plant control room shorted out causing a flash where the breaker was turned on causing minor burn to employee's hand.
2012 · 3 incidents
EE was climbing on loader to add engine oil to equipment when he said he pulled something in his hip.
EE was welding on #2 elevator when he started to weld got a shock.
2011 · 2 incidents
Working on rebuilding hydraulic cylinder. When tightening nut, wrench slipped off nut pinching right pinky finger on floor.
Employee was working on top of #2 Elev. when co-worker opened the breach door letting dust out in area where employee was working.
2010 · 2 incidents
Climbing out the kiln room window to gain entrance to catwalk to work on walls.
EE was working on adjusting auto brake control when the wrench slipped off the nut hitting his elbow. No lost time from work.
2009 · 4 incidents
EE working on bolting down the symonds crusher motor at the finish plant holding the bolt on the bottom and turning the top with a impact wrench the wrench turned and jammed his left thumb into the frame.
Standin gby #2 Ballmill & pit area, when wind blew debris in left eye.
EE was putting out a fire on the coal conveyor.
Employee was working in #1 kiln bricking. When he climbed down from the brick rig he twisted his right knee on something, he's not sure what it was.
2008 · 5 incidents
Moving an oil drain pan from under a wheel loader, he felt his shoulder pop. Note: we were not made aware of this until 9/25/08.
Employee was cutting a 2x4 with a skill saw when the guard stuck up.
Walking from portable plant over to the finish plant.
attempting to remove a 6""x7' pc of 1/4"" steel from the apron feeder @ the raw plant. winch had stoved emergency. When the pike let go it hit ee in the left cheek.
Cleaning rollers on conveyor belt, caught hand betwen sledgehammer and metal conveyor support.
2007 · 4 incidents
EE was driving in front gate on his way to work with personal vehicle with drivers window down when a dust partical went in his eye.
Employee was cleaning the threads on a 1/4"" pipe nipple 6"" long when the bench mounted grinder wire wheel caught his thumb. He said that if he was wearing his gloves he would be ok. (Note clearing on rest was good at this time.)
Shoveling under tunnel conveyor belt, hit left thumb on frame
2006 · 2 incidents
EE was cleaning mud from the 30"" stockpile chute at the raw plant when he said he pulled a muscle in his lower back.
Rolling up air hose in shop, hit right hand on corner of steel plate.
2005 · 4 incidents
Climbing in #1 ducon scrubber to clean the ""J"" chute, he was bruise by the door.
Walking down stairs exiting off catwalk scrubber platform and fell.
WORKING ON JAW CRUSHER REPLACING TOGGLE PLATE, STANDING PLATE ON END WHEN EMPLOYEE'S RT. POINTER FINGER BECAME PINCHED BETWEEN PLATE & ""I"" BEAM SUPPORT.
CLIMBING IN SCREEN DECK AT THE PORTABLE PLANT & HE HIT HIS RT. KNEE ON A PIECE OF STEEL.
2004 · 1 incident
2002 · 2 incidents
WORKING ON TOP OF KILN GRINDING SURFACE TO BE WELDED, HITTING LEFT LEG WITH GRINDER WHEEL, REQUIRED 7 STITCHES.
ATTEMPTING TO UNPLUG THE BALL MILL WHEN COAL DUST IGNITED CAUSING A FLASH FIRE.
2001 · 2 incidents
WHILE CLEANING A CHUTE, BLOCKED WITH STONE A ROCK FELL FROM THE CHUTE AND STRUCK HIS SHOULDERCAUSING CONTUSION TO LT. SHOULDER AND SHOULDER STRAIN.
HE WAS LIFTING MATERIAL TO REMOVE IT FROM THE AREA AROUND THE DURON STRUCTURE. HE FELT PAIN IN LOWER BACK AND LEGS.
2000 · 3 incidents
FINE DIRT UNDERNEATH CRUSHER LODGED ON FRAME. WHILE CRAWLING UNDER THE CRUSHER ON THE CONVEYORBELT, MATERIAL FELL INTO EMPLOYEE'S EAR. AS A RESULT AN INFECTION OCCURRED.
HE WAS WORKING INSIDE A KILN, USING A JACK HAMMER; HE SLIPPED ON LOOSE DEBRIS AND HIT HIS LEFT ELBOW AGAINST KILN REFRACTORY.
EE REPORTED TO HIS WORK STATION (KILN FLOOR) AT THE BEGINNING OF HIS SHIFT (1600-2400). ENROUTE TO HIS WORKSTATION, IN FRONT OF THE KILNS HE BREATHER IN SULPHUR GAS. THROUGH THE QUANTITY WAS S MALL, HE REQUESTED AND WAS GIVEN PERMISSION TO GO TO A MEDICAL DOCTOR.