Mining Incidents

Minnesota Mining & Manufacturing CompanyController

MSHA Controller ID: M00221
Fatalities
3
Total incidents
761
Mines on record
7
Period

Top causes

  • SLIP OR FALL OF PERSON3 fatalities · 132 non-fatal
  • HANDLING OF MATERIALS311 non-fatal
  • HANDTOOLS (NONPOWERED)71 non-fatal
  • MACHINERY59 non-fatal
  • POWERED HAULAGE55 non-fatal
  • DISORDERS (REPEATED TRAUMA)42 non-fatal

Incident timeline

2026
2
2025
18
2024
31
2023
31
2022
20 (1f)
2021
25
2020
11
2019
17
2018
12
2017
13
2016
15
2015
15
2014
17
2013
19
2012
15
2011
21
2010
14
2009
23
2008
43
2007
36
2006
41 (1f)
2005
35
2004
51
2003
59
2002
61
2001
68 (1f)
2000
48

Operators under this controller

Mines on record

Fatalities under this controller

3 recorded
Fall to lower level, (Not Elsewhere Classified)

Time of accident: 10:00-11:30 Employee was drilling approximately 5' from the highwall. Drill steel was out of the carousel (cause under investigation). They exited the drill to correct the situation and failed to put on fall protection as per company policy and training requirements. It appears that they tripped/slipped/stumbled and fell over the edge. This resulted in a fatality.

Fall from machine

Employee (EE) climbed over platform guardrail onto raised forklift carrying screens, EE and screens fell from forklift 15 to 17 ft; EE landed on his feet, knees buckled, he collapsed to the ground & apparently one or more screens fell onto employee's body-trunk area abdomen region. Co-worker & injured worker moved screen(s) off of EE & EE scooted himself away from screens.

Fall from scaffolds, walkways, platforms

EMPLOYEE TOOK A ""SHORT CUT"". EMPLOYEE NEVER USED HIS FALL PROTECTION EQUIPMENT WHILE TAKING HIS ""SHORT CUT"", THE RESULT WAS THIS EMPLOYEE FALLING OFF A BEAM. THE EE FELL TO HIS DEATH 46' BELOW . EMPLOYEE HAD ALL HIS FALL PROTECTION EQUIPMENTSECURED TO HIS HARNESS AND NEVER ATTEMPTED TO SECURE THEM TO PREVENT THE FALL.