Mining Incidents

SubtropolisMetal/Nonmetal

Subtropolis Mining Co. · Underground
Controlled by W Thomas Mackall
Petersburg, Mahoning County, OH · Active
MSHA Mine ID: 3304547
Fatalities
1
Total incidents
29
Years on record
2005–2025
Latest incident
Mar 2025

Fatalities at this mine

1 recorded
Struck by falling object

An employee was struck by a slab of rock that measured approximately 8 inches to 12 inches thick by 50 to 70 inches wide by 74 inches long. The roof fall occurred at the 34 Main between crosscut 1 North 4 and 1 North 5.

Reportable incidents

28 on file (excluding fatalities above)

2025 · 1 incident

Fall to the walkway or working surface

Tripped while replacing Rollers on plant

2024 · 1 incident

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

Changing bearing on screw/auger style washer. Auger was supported with crane. Bearing needed wedged free from auger. When bearing came loose, auger shifted pressing on left foot between auger and side wall of wash tub.

2020 · 2 incidents

Over-exertion (Not Elsewhere Classified)

Due to cooler weather, plant having problems with belts, pulleys and material freezing up. Conveyor belt started tracking hard to south side. EE was looking at tail pulley for material build up and slipped, twisting EE's ankle.

Fall onto or against objects

Slipped on bulldozer track and hit knee off track while fueling up.

2019 · 1 incident

Struck by falling object

Employee was starting to run a bolt into the roof and a rock fell and hit their head. Employee has a laceration on the left side of the head from the rock pushing their mask into the side of their head

2018 · 3 incidents

Over-exertion in pulling or pushing objects

Pulling shot hose out of face - working on shot crew.

Struck by flying object

Co-workers just completed drilling holes in angle iron. Employee blew away metal shavings with their breath. Shaving went in their eye. Employee did have safety glasses on.

Struck by flying object

While repairing the head drive with safety glasses on, dirt and rust got in both eyes

2017 · 2 incidents

Over-exertion in lifting objects

Assisted coworker lifting hoses 8/30. Noticed L side pain next morning. Went to ER 9/1. Diagnosed w/abdominal wall strain. No treatment. Continued to work until 9/12 when off for unrelated elective surgery. Contact foreman 9/27 that ee had surgery 9/26 for hematoma thought to be caused by strain.

Caught in, under or between running or meshing objects

Was moving the man lift basket. When it stopped, it came to rest against the handrail of the processing plant catwalk. This pinched the skin off at the tip of the finger.

2016 · 3 incidents

Struck by... (Not Elsewhere Classified)

While trying to cut conveyor belt, employees hand slipped and utility knife cut hand requiring three stitches

Absorption of radiations, caustics, toxic and noxious substances

Employee was helping with a concrete driveway pour. When EE stepped in wet concrete to spread it, the concrete raised higher then the boots, causing it to be in contact with EE's skin.

Struck by falling object

While attempting to lift a heavy plate to secure on the machine, the plate slipped of the machine and employee tried to catch it. This resulted in a strain to the lower back.

2015 · 1 incident

Struck by... (Not Elsewhere Classified)

The hill belt was overloaded. They were unaware that gearbox on south side did not have a backstop and disconnected gear box on north side of belt by unbolting turnbuckle from conveyor frame. Gearbox started rotating backwards and struck EE. EE had broken bones in left arm, dislocated left knee, contusions on left arm and left leg, internal bleeding, collapsed lung.

2013 · 1 incident

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

Employee was closing the door of the scaler with his right hand. He inadvertently closed the door on his left thumb. His thumb is broken in 5 places.

2012 · 2 incidents

Over-exertion in lifting objects

Employee was in the man basket hanging 480 cable on roof bolts. He started to feel sore during the day. That night the pain got worse and the next day he went to a doctor.

Struck by... (Not Elsewhere Classified)

Employee was cleaning under the lateral 2 head drive with a shovel when a clump of mud slid down and hit him in the knee. The mud caused a bruise on his knee. The injury is a sprained or bruised knee. He was given a brace and took 3 days off.

2011 · 2 incidents

Fall to the walkway or working surface

EE was checking the sight pole for an excavator operator. Some of the stone below his feet gave way and he fell into the ditch. He continued to work the rest of the day saying he was fine. He decided to go to the doctor on 4/22/2011. EE is part-time and any time off was not related to this injury.

Fall to the walkway or working surface

Two workers were putting together 6"" diameter yelomine pip. EE got his foot stuck in a strap, which caused him to trip, twist and fall on the ground. The resulting injury was a broken fibula in ee right leg.

2010 · 3 incidents

Struck against stationary object

Climbing off the DBT Crusher. Cut left middle finger on metal burr sticking up off the wing

(Not Elsewhere Classified)

Wasn't feeling well when arriving at work. Continued to feel worse throughout the evening. An ambulance was called.

Struck by... (Not Elsewhere Classified)

While cutting a piece of shot wire, employee cut left thumb with knife.

2009 · 3 incidents

Accident type, without injuries

Horizontal stress caused a roof fall

Over-exertion (Not Elsewhere Classified)

Employee was attempting to wash out the bucket on the 980 Wheel Loader he was operating and while pulling on the 1 1/2"" wash out hose, lost his footing and twisted his ankle. He was taken to the hospital for treatment. Upon inspection of the area, the ground apppears relatively flat. The weather was sunny and dry. The ground may have been wet from spraying the bucket out.

Fall from ladders

Stepped on loose ladder on left rear of the machine and fell to the ground.

2008 · 1 incident

Struck by... (Not Elsewhere Classified)

Injury was barring the feeder when he missed the mud he was barring. The bar hit his right pinky finger up against the feeder. He had four stitches and tore the nail off.

2007 · 1 incident

Struck by falling object

A loose piece of rock fell and struck the employee in the lower back.

2005 · 1 incident

Fall from machine

Lifting the ROPS from the piece of equipment. It sprang free, striking the mechanic and causing him to fall (93"") to the ground.