Extreme flooding event caused unexpected water in the mine. Mine is inaccessible and investigation/remediation is ongoing. No personnel allowed in mine until fully cleared to do so. NO INJURIES
Columbus Junction Underground MineMetal/Nonmetal
- Fatalities
- 0
- Total incidents
- 24
- Years on record
- 2000–2025
- Latest incident
- Jul 2025
Reportable incidents
24 on file2025 · 1 incident
2023 · 1 incident
The miner was climbing down from a scaler and missed the last step falling backward onto a nearby pickup truck hitting EE's back.
2022 · 3 incidents
Miner was helping clean out a scale pit by removing buckets of mud and dirt material. The lifting caused a back strain they realized later that night.
The injury was diagnosed as a result of the shaking and jarring of the scaler EE operates. The original diagnosis was tendonitis of the shoulder and the cause undetermined.
Repairing a water truck when a tire fell on left foot fracturing it.
2021 · 3 incidents
While an employee stepped down from the emulsion truck, EE's foot slipped on a rock in the underground mine. Employee was seen by doctor and treated for bad sprain and/or possible avulsion fracture.
Employee was cleaning out a plugged chute on the rock crushing/screening plant hitting EE's right hand/thumb against the ironwork corner on the plant. This resulted in a laceration of the thumbnail and nail bed. Bottom part of thumbnail was cut off and sewn (2 stitches) back on as a protective cover for the nail bed healing and a preventative for infection.
Smoke from our electrical control house was reported to the Columbus Junction Fire Department at approximately 8:30 a.m. by a passing motorist. Cause of the fire was not determined by fire officials. The control house and all contents were destroyed.
2020 · 1 incident
Employee was using cutting wheel grinder to cut off broken angle iron from conveyor structure. The final cut caused the grinder to catch and caught the employee's gloved left hand, causing a laceration on EE's left ring finger, requiring 6 stitches.
2019 · 1 incident
Employee was using a razor knife to finish cutting a conveyor belt for splicing. EE drew the knife toward self cutting the inside of EE's left arm. The laceration was deep and approximately 1-1/2 inches long requiring 8 stitches to close.
2017 · 1 incident
While repairing the daybox on the emulsion truck, employee was under truck with open end wrench on bolt holding tight while fellow employee was on topside using an impact wrench to loosen a bracket. Employee holding wrench lost grip and caught open end of the wrench in palm of right hand causing laceration requiring 5 stitches
2016 · 1 incident
Performing maintenance work on drill battery box trying to loosen bolt with box end wrench & 3/4"" drive with the wrench on the nut, holding tight and wrench slipped when 3/4"" drive engaged causing wrench to dislodge and pinch and cut the finger tip
2015 · 1 incident
Employee stepped out of truck quickly (did not jump) while maintaining 3 points of contact and into water - did not see the rock under water while stepping down and rolled his right ankle. Employee continued to work rest of shift.
2013 · 1 incident
While doing maintenance work on the Secondary Impact Crusher Equip. ID#P-035 employee was attempting to manually roll hammers from a Svedala S250DC Crusher into the bucket of a skid steer to take to the scrap dumpster when he caused injury to his right shoulder.
2012 · 2 incidents
While using a maul to dislodge curtain liners in rock crusher (P-35) a metal sliver became dislodged and made a puncture wound in the navel area.
Normal working condition; while miner working/walking around bed/deck of Emulsion Truck stepped over one pipe with his left foot and placed this foot down on another pipe twisting this foot resulting in a sprain to his left foot.
2010 · 1 incident
While attempting to dislodge a rock from the tailgate of a Cline Haul Truck; company number H-43, the tailgate came down striking/smashing the employee's right index finger.
2009 · 1 incident
While cutting and grinding plates for a grizzly a metal flake became airborne and enter the left eye of our employee, requiring medical treatment to remove. The injury left no perminent impairment to the eye and employee returned to work after one days absence.
2006 · 2 incidents
Weather was clear and mild with no wind no contributing factor obvious. Worker slipped, tripped or fell from Primary Crusher. Worker suffered trauma to head, neck and fractured his right wrist.
While removing a hydrolic cylinder rod on a Tamrock DHA 107B Drill with air, the rod dislodged and exited the cylinder lacerating the thumb on the right hand of the employee; requiring six (6) stitches.
2005 · 1 incident
Maintenance - While attempting to remove oil cap on Volvo Loader Unit #L-32 the wrench slipped causing the employee's right hand to strike the loader hood lacerating the palm of his right hand, that required 6-7 stiches.
2002 · 1 incident
THE EMPLOYEES WERE WORKING IN THE SURFACE SHOP (MAINTENANCE ONLY) WITH A PIECE OF 1/2"" THICK PLATING WEIGHING APPROXIMATELY 120 LBS. WHILE PICKING UP THE PLATE, THE EMPLOYEE'S FINGER WAS PINC
2001 · 1 incident
WHILE USING BOOM TRUCK S-68 TO MOVE STEPS AND AFTER WHILE THE BOOM WAS UNHOOKED NOT UN LOAD. THE BOOM FELL FROMT HE TRUCK BOLT METAL FATIGUE EE JUMPED FROM APPROX. THE AREA OF THE TRUCK RUNNIN G BAORD TO AVOID BEING STRUCK BY THE BOOM. IN DOING SO HE STRUCK THE GROUND WITH HIS SHOULDER. FACE AND HAND.
2000 · 1 incident
WHILE HOLDING A PRYBAR TO DRIVE A PIN OUT OF THE DRILL BOOM. THE BAR BOUNCED OVER AND HIT EE ABOVE THE LEFT EYE. THIS RESULTED IN A CUT THAT REQUIRED STITCHES. NO LOST WORK DAYS OR RESTRICTED DUTY.