Patrick Alexander; Michael O'ConnorController

MSHA Controller ID: 0184723

Fatalities: 1
Total incidents: 17
Mines on record: 6
Period: —

Top causes

MACHINERY1 fatality · 1 non-fatal
DISORDERS (REPEATED TRAUMA)6 non-fatal
SLIP OR FALL OF PERSON3 non-fatal
OTHER3 non-fatal
HANDLING OF MATERIALS3 non-fatal

Incident timeline

2026

2025

9 (1f)

2024

Operators under this controller

Cold Spring Granite Company17

Mines on record

Academy BlackCA
Charcoal #3 QuarryMN
Mesabi BlackMN
Carnelian #2 QuarrySD
Milbank S&MSD
Sunset QuarriesTX

Fatalities under this controller

1 recorded

Cold Spring Granite Company

Struck against a moving object

Operator was backing up close to the edge at a berm and was facing the opposite way. Operator was pulled backwards by the counter weight, operator attempted to turn the machine to stop it from rolling into the ditch.