# FALL OF ROOF OR BACK
> MSHA accident `220070320036` · 01/22/2007 · Knox Creek Coal Corporation
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** FALL OF ROOF OR BACK
- **Accident type:** Struck by falling object
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Inserting bolt
- **Injury source:** CAVING ROCK,COAL,ORE,WSTE
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** LOWER LEG/TIBIA/FIBULA
- **Days lost:** 24
- **Mine experience:** 0.88 years
## Operator
- **Controller:** Massey Energy Company
- **Operator:** Knox Creek Coal Corporation
- **Mine:** [4406804](https://api.ai-analytics.org/mine/4406804)
## Narrative

Member was bolting in the No. 3 entry, installing inside bolts in 2nd row. A piece of drawrock fell measuring 56"" long x 21"" wide x 7"" thick, coming in under canopy and striking him on lower right leg. Bolt spacing was less than 48"". Seam height was approximately 10'.

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