Mining Incidents

Skyhigh Pit Metal/Non-Metal

Controlled by Knife River Corporation
Mexia, Limestone County, TX  ·  Active
MSHA Mine ID: 4103931

Watch this mine

Email me when a new MSHA incident is filed at Skyhigh Pit.

Fatalities
0
Total incidents
10
Years on record
2000–2026
Latest incident
Feb 2026
Compliance record
MSHA citations since 2000
137
citations
22
significant & substantial
$19,631
proposed penalties
$19,183
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 9,963 3 0 301.1
2025 Q3 918 2 0 2178.6
2025 Q2 926 1 0 1079.9
2025 Q1 888 0 0 0.0
2024 Q4 879 0 0 0.0
2024 Q3 9,806 0 0 0.0
2024 Q2 9,526 0 0 0.0
2024 Q1 9,667 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

10 on file

2026 · 1 incident

February 20, 2026 TX · Metal/Non-Metal dryer operator, kiln operator, dry plant operator, fluid operator, bed dryer operator SLIP OR FALL OF PERSON
Knife River Corporation-South · Fall from machine

On February 20, 2026, at approximate 7:30 am our miner suffered a fall due to not wearing fall protection injuring an ankle, ribs, back and head,

2019 · 2 incidents

September 10, 2019 TX · Metal/Non-Metal rotary bucket excavator operator MACHINERY
Knife River Corporation-South · Caught in, under or between running or meshing objects

Employee was working on Impact Crusher when rotor turned pinching right hand between blow bar and side of crusher.

January 10, 2019 TX · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Knife River Corporation-South · Over-exertion (Not Elsewhere Classified)

Operator was exiting cab of 336F Excavator holding on to the handrail facing the inside of cab when both feet slipped off track feeling a jerking motion to EE's left shoulder. The tracks on the machine were damp with material build up.

2017 · 2 incidents

January 30, 2017 TX · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Knife River Corporation-South · Struck by flying object

Employee was removing a bearing race from screen housing with a hammer tapping the race causing a piece of the race to chip off striking employee in the left leg above knee. The foreign body embedded under the skin.

2011 · 1 incident

February 25, 2011 TX · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Knife River Corporation-South · Caught in, under or between a moving and a stationary object

Driver was getting out of truck and turned to walk back to unlock the tailgate when he slipped in the mud. On the way to the ground he reached up with his right hand and grabbed for the door handle, instead he grabbed the door jam and the door closed so hard on his hand to the point it actually latched shut. Causing a laceration to his ring finger and exposed the bone.

2009 · 1 incident

June 29, 2009 TX · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey DISORDERS (PHYSICAL AGENTS)
Knife River Corporation-South · Contact with heat

Heat Exhaustion - became dehydrated while working on a shot.

2007 · 1 incident

August 31, 2007 TX · Metal/Non-Metal welder (shop) SLIP OR FALL OF PERSON
Knife River Corporation-South · Fall from ladders

Employee was welding on a platform for a cone crusher, fell about 3 1/2 feet to ground while descending ladder. Ladder was inside platform between two catwalks. Employee lost his balance and fell striking and fracturing his coccyx either on angle iron or rock on ground.

2005 · 1 incident

2000 · 1 incident

April 5, 2000 TX · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey EXPLOSIVES AND BREAKING AGENTS
Young Materials Corp · Struck by... (Not Elsewhere Classified)

EE CALLED IN FOR BLASTER TO SHOOT A SHOT. EE WENT TO FIRE SHOT. HE WAS UNDER HAUL UNIT USED FOR COVER WHEN A ROCK CAME OUT OF SHOT, BOUNCED AND HIT HIM ON THE KNEE CAUSING A CUT THAT NEEDED ST ITCHES. EE WAS 633 FEET FROM SHOT.