Johnson Ralph controller
MSHA controller ID: C00810
Watch this controller
Email me when a new MSHA incident is filed at any mine Johnson Ralph controls.
- Fatalities
- 0
- Total incidents
- 105
- Mines on record
- 6
- Years on record
- 1983–1990
Top causes
- HANDLING OF MATERIALS 29 non-fatal
- POWERED HAULAGE 19 non-fatal
- HANDTOOLS (NONPOWERED) 18 non-fatal
- MACHINERY 10 non-fatal
- SLIP OR FALL OF PERSON 9 non-fatal
- FALL OF ROOF OR BACK 7 non-fatal
Incident timeline
1990
4
1989
1
1988
1
1987
29
1986
31
1985
12
1984
15
1983
12