# IGNITION OR EXPLOSION OF GAS OR DUST
> MSHA accident `220071360006` · 05/11/2007 · Heidtman Mining LLC
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** IGNITION OR EXPLOSION OF GAS OR DUST
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** 0
- **Mine experience:** — years
## Operator
- **Controller:** R Alex  Johnson
- **Operator:** Heidtman Mining LLC
- **Mine:** [0301736](https://api.ai-analytics.org/mine/0301736)
## Narrative

Continous Miner was 10 feet into a cut when the operator backed up to trim roof. The sandstone roof created a spark that apparently ignited a small methane bleeder. No flash was observed, but a small air wave was felt. There were no injuries or damages.

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