Lone Tree Mine — Accidents

Total: 116 accidents | Fatalities: 0

Date Classification Injury Days Lost Narrative
06/05/2025 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None While closing the spring-loaded lid on the pulverizer, an employee's hand slipped, causing the handle to pop up and make contact with their lip, resulting in 3 stitches
05/31/2024 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None An Employee was removing the sample prep baghouse blower to replace bearings that had gone bad. As the employee was using an Allen wrench to loosen the Allen bolt in the bushing, the wrench slipped ca...
01/25/2023 EXPLODING VESSELS UNDER PRESSURE DAYS AWAY FROM WORK ONLY 2d lost Technician was attempting to bleed off stored energy before servicing an Ingersoll Rand air compressor. A 2"" air line came apart and struck the technician in the torso causing multiple contusions an...
01/29/2022 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None An employee received a small fracture in the tip of the ring finger on the right hand when helping unload an empty folding core bin. The finger tip was caught in the folding door of the bin.
01/04/2016 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 9d restricted While exiting EE's cab a driller felt a pop in EE's knee when EE's foot hit the ground.
02/02/2015 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 96d lost, 35d restricted Technician tripped on a floor mat when entering the Leco room and fell on her knees and left hand, injuring her left wrist.
04/11/2013 HANDLING OF MATERIALS DYS AWY FRM WRK & RESTRCTD ACT 9d lost, 65d restricted Employee was repairing a cyclone feed pump. While removing the stuffing box it slid off the shaft, the employee caught the stuffing box to prevent it from falling. In doing so the stuffing box struck...
02/09/2013 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 53d restricted Employee felt a pain in right middle finger while emptying a nessler tube in lab.
05/24/2012 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 188d restricted Employee was fueling equipment and tripped over a 2"" fuel hose. He fell and caught himself with his right arm and heard a pop in the shoulder area. ER physician diagnosed with muscle strain and the a...
11/13/2010 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 136d lost Driver was opening 4"" product valve on pheunmatic trailer to off load bulk crushed lime. Valve was stuck and he jerked on valve handle and said he felt pain in right sholder.Doctor said he had pulled...
06/16/2009 DISORDERS (REPEATED TRAUMA) OCCUPATNAL ILLNESS NOT DEG 1-6 7d lost, 13d restricted While pushing on a wrench, employee felt a pop in his right elbow. Employee was evaluated and returned to work at full duty. After several follow ups and referrals, employee was diagnosed with cubital...
04/28/2008 HANDTOOLS (NONPOWERED) DAYS RESTRICTED ACTIVITY ONLY 127d restricted While changing the auto lube piping on LD023, the fitting next to the pump would not break loose. Employee braced a small wrench against grease tank for leverage, used a second wrench to break the fit...
02/18/2008 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None Employee states 5 gallon bucket was being lowered from top of rougher and came and fell on nose.
11/13/2007 MACHINERY DAYS RESTRICTED ACTIVITY ONLY 21d restricted Employee was sharpening a chain on a chain saw using a hand file with his left hand. He pushed the file and it caught, the saw twisted, fell off of the table and pivoted the blade upward catching the...
10/24/2007 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 4d restricted While conducting repairs on a lube truck, the employee stepped off the lube truck onto a ladder and lost his balance falling approximately 3 feet to the floor. Caused a laceration above his eye and br...
08/11/2007 OTHER DAYS RESTRICTED ACTIVITY ONLY 8d restricted Employee was working on a derrick screen boot and standing on some grating next to screen. The narrow grating buckled causing the employee to loose his balance and twist his body which strained his ba...
06/10/2007 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 58d restricted Employee was leaning against hand rail to disconnect an air hose to a chicago fitting. Employee heard a pop while applying pressure on the hose fitting and later felt pain in rib area on chest.
05/28/2007 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None Employee was attempting to make a hole in a clipboard larger with a pocket knife. The knife closed on his right thumb causing a laceration.
03/15/2007 MACHINERY DAYS RESTRICTED ACTIVITY ONLY 46d restricted Employee was drilling bolt holes in a flange with a drill press. The drill bit caught in the flange causing the flange to spin. The employee's hand got caught in between the flange and the height adju...
02/20/2007 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 4d lost Employee states he was pulling filter cloths and felt pain in his lower back/leg.
01/08/2007 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 9d lost Employee was walking along leach pad, stepped on a piece of ice and fell into a hole tearing the soft tissue in her left calf.
01/02/2007 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None While unspooling the last wrap of 2"" poly pipe off a spool, the end of the pipe sprang back and hit the employee on the left ring finger resulting in a fracture to the tip of the finger.
12/15/2006 STEPPING OR KNEELING ON OBJECT NO DYS AWY FRM WRK,NO RSTR ACT None Employee states he stepped off of a service truck onto a rock causing him to ""twist"" his ankle resulting in a sprain/strain.
11/19/2006 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 12d lost, 29d restricted Employee slipped on some slurry and injured his knee. He was taken to a medical facility, evaluated, and returned to work. After some continuing problems with his knee, he got an MRI. On 12-18-06 it w...
10/26/2006 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 17d restricted Employee was checking a loose fan belt on a forklift. He grabbed the belt, pulling upward twice, and felt something slice across his fingers. The employee caught his hand between the belt and pulling...
10/16/2006 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 2d lost EE was hosing down CIL containment for clean up work. The sump pump went down, causing the containment to back up with milk of lime solution. The solution was at or near the top of the EE's boots, dam...
10/07/2006 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None While pulling hose from CIL containment tank, employee received contact burn from lime after stepping into containment tank and getting lime into work boots.
08/30/2006 HANDLING OF MATERIALS DYS AWY FRM WRK & RESTRCTD ACT 1d lost, 46d restricted Employee was pulling the slack out of a cable to keep it out from under the tires of haul equipment. The cable started to feed itself out and the employee was struck in the legs by the cable.
06/18/2006 MACHINERY DAYS RESTRICTED ACTIVITY ONLY 4d restricted Shovel was loading haul truck on the blind side when a 3 foot (approx) rock rolled out of the shovel and struck the bed of the truck behind the cab causing the truck to bounce. This caused the employe...
06/02/2006 HANDTOOLS (NONPOWERED) DYS AWY FRM WRK & RESTRCTD ACT 81d lost, 70d restricted Employee and 2 contractors were pulling a sump pump to repair. Employee got a Come-a-long and was hooking it up to move the pump so it could be lifted out of the area. The lifting strap broke at that...
05/30/2006 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None Employee caught his finger in a pin lock while installing a bed cable.
05/29/2006 STEPPING OR KNEELING ON OBJECT DAYS RESTRICTED ACTIVITY ONLY 23d restricted Employee was walking from the drill to the truck. He stepped on a rock and twisted his right knee and felt a little pain.
01/06/2006 HANDLING OF MATERIALS DYS AWY FRM WRK & RESTRCTD ACT 7d lost, 22d restricted Employee heard a pop in his knee after getting a sample and returning to the drill from deck. He was taken to a medical facility and placed on light duty.
01/04/2006 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 5d restricted Employee slipped on grating while going from roughers to catwalk. He was taken to a medical facility and received stitches for his cut thigh. He was placed on light duty.
01/02/2006 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 3d restricted Employee slipped while trying to adjust a mirror and hurt her knee. She was taken to a medical facility and placed on light duty. A follow up with Doctor was completed on 1-5-06. Employee was left on...
12/27/2005 NONPOWERED HAULAGE DAYS RESTRICTED ACTIVITY ONLY 6d restricted Two employees were lifting wheelbarrow to dump contents into a dumpster when one of them felt a sharp pain in his lower back. Employee was taken to a medical facility and placed on light duty.
10/26/2005 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 4d restricted Employee felt a pop in his back while bending over to pick up locks for shovel teeth. Employee complained of pain and was taken to a medical facility. He was placed on light duty.
10/16/2005 HANDTOOLS (NONPOWERED) DAYS RESTRICTED ACTIVITY ONLY 62d restricted Employee was using a come-a-long and a hook to reconnect a mast chain for a drill. While tightening the come-a-long, the other hook started straightening and the come-a-long hook slipped off hitting t...
10/11/2005 SLIP OR FALL OF PERSON NO DYS AWY FRM WRK,NO RSTR ACT None Employee was dismounting uniloader and slipped on a bolt that was in the bottom of the bucket. He fell hitting his face and cut his right eyebrow with the edge of the safety glasses. Employee was take...
09/08/2005 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None Employee was using a hammer to remove lip protector when a piece of steel flew up and stuck into his leg. He was taken to a medical facility where the metal was removed, and the employee received 2 st...
09/04/2005 HANDTOOLS (NONPOWERED) DYS AWY FRM WRK & RESTRCTD ACT 23d lost, 23d restricted Employee had placed a Duff Norton Jack under a haul truck and jacked it up. He then had a stand placed under the truck. When he pushed the lever to lower the jack, it popped loose hitting him around t...
08/31/2005 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 3d restricted Crew was changing a drill bit and employee's left pinky finger was pinched between drill bit and drill table. Emlpoyee received a laceration to the tip of his finger that required stitches.
07/28/2005 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 3d lost Picking up a compressor motor - strained low back.
07/12/2005 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 35d lost, 13d restricted Employee was climbing off a loader when he felt a pain in his right knee. He said the knee had been hurting from a prior, unreported incident that occurred while getting out of a van. Employee was ta...
06/29/2005 POWERED HAULAGE DAYS RESTRICTED ACTIVITY ONLY 1d restricted Cleaning rocks and debris in tunnel. He reached into a moving conveyor belt to remove a rock and the rock shifted and pinched his hand between the rock and a bolt. He was taken to the doctor and was p...
04/22/2005 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None While working on a leaking line, solution sprayed under employee's glasses and got into his eyes. He was taken to a medical facility and released to full duty. At follow up appt. on 4/25/2005, he was...
04/21/2005 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 3d restricted Employee removed a pump from back of truck by reaching over side and lifting with one arm causing pain in shoulder. He reported incident to supervisor, but did not want medical attention. He went on r...
03/07/2005 STEPPING OR KNEELING ON OBJECT DAYS RESTRICTED ACTIVITY ONLY 3d restricted Employee was preparing to go to work. While changing his boots, he stepped on a rock, shifted his weight, and hit his left foot on a bench while trying to catch his balance. He proceeded to his design...
02/27/2005 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None Employee's left little finger was caught in tongs resulting in laceration/fracture
12/15/2004 HANDLING OF MATERIALS ALL OTHER CASES (INCL 1ST AID) None On 12/15/04 employee was lifting small lifters into place in the sag mill. He feels he hurt his back at this time. On 12/29/04 he informed his supervisor of the incident. At this time we took him to t...