# FALL OF ROOF OR BACK
> MSHA accident `220172050041` · 07/17/2017 · Greenbrier Minerals 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:** —
- **Mine experience:** — years
## Operator
- **Controller:** Coronado Coal LLC
- **Operator:** Greenbrier Minerals LLC
- **Mine:** [4609172](https://api.ai-analytics.org/mine/4609172)
## Narrative

At 7:45am Outby Foreman discovered a roof fall in #7 Entry West Mains #1 Section. The fall fell above anchorage point and measured 110'x19.5'x8' thick. Cribs/timbers were built in #6, #7 and #8 entries and stopping between #7 and #8 entries. This area was mined mid March 2017.6' glue bolts and 8 - 10' cable bolts were utilized.  

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