Mining Incidents

Pedersen Quarry Metal/Non-Metal

Humboldt, Humboldt County, IA  ·  Active
MSHA Mine ID: 1302192

Watch this mine

Email me when a new MSHA incident is filed at Pedersen Quarry.

Fatalities
0
Total incidents
7
Years on record
2000–2012
Latest incident
Nov 2012
Compliance record
MSHA citations since 2000
78
citations
11
significant & substantial
$9,210
proposed penalties
$9,210
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 3,084 0 0 0.0
2025 Q2 634 0 0 0.0
2025 Q1 3,334 0 0 0.0
2024 Q4 662 0 0 0.0
2024 Q3 4,003 0 0 0.0
2024 Q2 770 0 0 0.0
2024 Q1 3,936 0 0 0.0
2023 Q4 4,446 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

7 on file

2012 · 1 incident

November 11, 2012 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Martin Marietta Materials Inc. · Struck by falling object

Employee was operating the skid loader and it made contact with an overhead conveyor. ROPES dislodged and came down and landed on the employee's left leg causing a break to his fibula bone.

2008 · 1 incident

November 24, 2008 IA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Martin Marietta Materials Inc. · Caught in, under or between a moving and a stationary object

Employee was doing routine winter maintenance on a skid loader. Employee raised the radiator to access the winter engine heater and the hydraulic cylinder that holds the radiator up malfunctioned. This allowed the radiator to drop and pinched the employee's left hand. Employee received 6 stitches on the top of his left hand and has a fractured left thumb.

2007 · 1 incident

June 13, 2007 IA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Martin Marietta Materials Inc. · Fall to the walkway or working surface

Employee was walking to the office and tripped on a rock. He put his hand out to break his fall and landed on his right knuckles resulting in a fractured bone.

2004 · 2 incidents

September 23, 2004 IA · Metal/Non-Metal coal/ore shovel operator, shoveler, power shoveler OTHER
Martin Marietta Aggregates Of Iowa Inc · (Not Elsewhere Classified)

audiological testing STS - possible recordable. Retest scheduled for 9/23 -- awaiting result. (10/4/04 review of 9/23 report: retest shows hearing loss not confirmed.)

September 23, 2004 IA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver OTHER
Martin Marietta Aggregates Of Iowa Inc · (Not Elsewhere Classified)

audiological testing STS - possible recordable. Retest scheduled for 9/23 -- awaiting result. (10/4/04 review of 9/23 report: retest shows hearing loss not confirmed.)

2001 · 1 incident

April 2, 2001 IA · Metal/Non-Metal truck driver HANDTOOLS (NONPOWERED)
Martin Marietta Aggregates Of Iowa Inc · Struck by... (Not Elsewhere Classified)

EE WAS CUTTING A 6" EATER PUMPER RUBBER HOSE WITH HIS PERSONAL KNIFE. THE EE WAS PULLING THE KNIFE TOWARD HIMSELF WHEN IT SLIPPED AND STABBED HIS LEFT KNEE.

2000 · 1 incident

December 19, 2000 IA · Metal/Non-Metal weighman, scale person SLIP OR FALL OF PERSON
Martin Marietta Aggregates Of Iowa Inc · Fall onto or against objects

EE EXITED OFFICE TO GET MAIL SLIPPED ON ICE IN FRONT OF OFFICE & LANDED ON HER BACK. APPARENTLY SHE HIT HER HEAD BECAUSE SHE SUFFRED A SLIGHT CONCUSSION