24'' ROCK SLABS36'' THICK FELL IN 6 RIGHT FREEWAY.42'' ROOF BOLTS AND CRIB BLOCK WERE INSTALLED.WATER HAD CUT THRU TOP OF HILL SEAM CAUSING ROCK FALL.
No 4 Mine Coal
MSHA record for No 4 Mine (mine ID 1515833). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.
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Email me when a new MSHA incident is filed at No 4 Mine.
- Fatalities
- 0
- Total incidents
- 3
- Years on record
- 1987
- Latest incident
- Sep 1987
Reportable incidents
3 on file1987 · 3 incidents
35IN OF ROCK F9LL IN A FREEWAY AT 4TH LEFT INTERSECTION FREEWAY HASNT BEEN USED IN 3 MONTHS 30IN ROOF BOLTS HAD BEEN INSTALLED WATER CUT THRU THE TOP OF THE HILL SEAM CAUSING THE ROCK TO FALL
48 IN OF ROCK F9LL IN A FREEWAY. THE FREEWAY HAS NOT BEEN USED IN 3 MONTHS. 30 IN ROOF BOLTS HADD BEEN INSTALLED. WATER CUT THRU THE TOP OF THE HILL SEAM CAUSING THE ROCK TO FALL. ROOF FALL OCCURRED AT THE38TH LEFT INTERSECTION
The full compliance file on No 4 Mine
A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.