# Instructor's guide: nonverbal communication for mine emergencies

> NIOSH report of investigations published in 2012

**Wikidata**: [Q24364318](https://www.wikidata.org/wiki/Q24364318)  
**Source**: https://4ort.xyz/entity/instructor-s-guide-nonverbal-communication-for-mine-emergencies


## References

1. NIOSHTIC-2
2. Source