Mining Incidents

USS Holdings IncController

MSHA Controller ID: M11007
Fatalities
2
Total incidents
649
Mines on record
42
Period

Top causes

  • SLIP OR FALL OF PERSON1 fatality · 164 non-fatal
  • MACHINERY1 fatality · 59 non-fatal
  • HANDLING OF MATERIALS201 non-fatal
  • HANDTOOLS (NONPOWERED)92 non-fatal
  • POWERED HAULAGE38 non-fatal
  • OTHER33 non-fatal

Incident timeline

2026
4
2025
14
2024
19
2023
17
2022
20
2021
19
2020
21
2019
32 (1f)
2018
37
2017
27
2016
22
2015
22
2014
30 (1f)
2013
21
2012
25
2011
23
2010
24
2009
13
2008
32
2007
28
2006
16
2005
21
2004
19
2003
30
2002
28
2001
41
2000
44

Operators under this controller

Mines on record

Fatalities under this controller

2 recorded
Caught in, under or between a moving and a stationary object

Employee was on the ground spotting a dump truck to prepare for dumping a load of fill dirt in excavation area. Employee's back was to the dozer that came up an incline and fatally struck employee from behind.

Fall from ladders

An employee on the ground level retrieved the tool and climbed 1 to 2 rungs of the ladder to hand the tool to the employee above. The employee appeared to lose consciousness and fell. The witnesses indicated that it appeared the victim was breathing. At 12:01pm, US Silica was informed that the victim had a heart attack and while at the hospital the employee died.