(Not Elsewhere Classified)
More the 25 dB shift change. At 45 dB from baseline in 2000. Was notified on 4/18/2017 and rechecked on 5/2/2017.
PORTABLE GRIZZLYMetal/Nonmetal
C J Moyna & Sons LLC. · Surface
Controlled by John P Moyna
Elkader, Clayton County, IA · Intermittent
MSHA Mine ID: 1302429
- Fatalities
- 0
- Total incidents
- 1
- Years on record
- 2017
- Latest incident
- Apr 2017
No fatalities recorded at this mine.