Mining Incidents
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N A Degerstrom Inc contractor

Metal / nonmetal
MSHA contractor ID: AT0
Safety record
4
Fatalities
356
Citations
6,530,817
Employee-hours (2000+)
ⓘ Rates use contractor-reported employee-hours as the denominator. About 2% of reported hours are dropped as duplicate filings, so the hours total runs slightly low and any per-hour rate reads slightly high. Quarters filed with zero hours are excluded, and hours are reported only from 2000 on.
0.00
Fatalities / million hrs
54.5 citations per million contractor employee-hours, 2000 to present.
Source: MSHA contractor employment/production and accident records, updated weekly.

Top causes

  • POWERED HAULAGE 2 fatalities · 49 non-fatal
  • MACHINERY 1 fatality · 36 non-fatal
  • FALLING/SLIDING/ROLLING MATERIALS 1 fatality
  • SLIP OR FALL OF PERSON 66 non-fatal
  • HANDLING OF MATERIALS 61 non-fatal
  • HANDTOOLS (NONPOWERED) 29 non-fatal

Incident timeline

2026
2
2025
2
2022
2
2021
4
2020
6
2019
8
2018
2
2015
3
2014
9
2013
5
2012
9
2011
13
2010
3
2009
4
2008
1
2007
8
2006
6
2005
2
2004
3
2003
1
1999
5
1998
4
1997
9
1996
5
1993
2
1992
30
1991
18 (1f)
1990
23
1989
19 (1f)
1988
17
1987
15
1986
10 (1f)
1985
3
1984
5 (1f)
1983
5

Mines worked

Recorded fatalities

4 recorded
April 24, 1991 MT · Metal/Non-Metal drill operator Fatality · FALLING/SLIDING/ROLLING MATERIALS
Zortman Mining Inc · Caught in, under or between collapsing material or buildings

AT APPROX 10:00 AM ON 4-24-91, THE MINE EMPLOYEE WAS OPERATING A DRILL WHEN A PORTION OF THE OPEN PIT FLOOR COLLAPSED. THE OPERATOR FELL INTO THIS OPENING. SEARCH FOR THE DRILL OPERATOR INDIC ATED THAT HE WAS NOT ON THE SURFACE. THE HOLE HAD DUST COMING OUT OF THE OPENING, THUS VISIBILITY INTO THE HOLE WAS RESTRICTED. RESCUE OPERATIONS COMMENCED IMMEDIATELY.

November 1, 1989 MT · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator Fatality · MACHINERY
Beal Mountain Mining Inc · Caught in, under or between two or more moving objects

THE INJURED WAS CLEANING OUT THE BUNKER ON THE CRUSHER WHEN THE GENERATOR WAS SHUT OFF AND THE GATES CLOSED ON HIM,CRUSHING HIM.

November 11, 1986 MT · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler Fatality · POWERED HAULAGE
Montana Tunnels Mining Inc · Caught in, under or between (Not Elsewhere Classified)

I.NAME GREASING3THE 992C FRONT END LOADER THE BUCKET WAS ROLLED AND I.NAME WAS PINNED BETWEEN THE BUCKET ARM AND THE DIFFERENCIAL DEATH -TRAUMATIC INTERNAL INJURIES

August 7, 1984 MT · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
Pegasus Gold Corp · Struck against a moving object

DRIVER LOST CONTROL OF WATER TRUCK CRASHING INTO ROADWAY BANK.