# FALL OF ROOF OR BACK
> MSHA accident `220052490118` · 08/30/2005 · Mason Mining, LLC
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** FALL OF ROOF OR BACK
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** 0
- **Mine experience:** — years
## Operator
- **Controller:** Ronnie G  Cornett
- **Operator:** Mason Mining, LLC
- **Mine:** [4608523](https://api.ai-analytics.org/mine/4608523)
## Narrative

BAD TOP WITH WET WEAK THIN LAYED LAMINATED TOP. THIS AREA WAS HEAVILY CRIBBED. HEIZMANNS JACKS AND JACKS WITH BEAMS. WE USED LONGER BOLTS WHEN DEVELOPED. WE USED 4 AND 6 FOOT BOLTS STAGGERED PATTERN. SOME 8' BOLTS ALL RESIN FULLY GROUTED. THE AREA WAS DEVELOPED IN JAN. OF 2004 AND WAS 55 FT LONG, 20 FT WIDE, 6 FT HIGH. 9000 FEET FROM WORKING FACE.

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*