![National Institute for Occupational Safety and Health / Safety engineering / Coal mining / Mining / Safety / Occupational safety and health / Risk National Institute for Occupational Safety and Health / Safety engineering / Coal mining / Mining / Safety / Occupational safety and health / Risk](https://www.pdfsearch.io/img/b070347c9db75cb2fa9f88f08ddd5946.jpg)
| Document Date: 2012-08-30 15:38:56 Open Document File Size: 87,64 KBShare Result on Facebook
City Pittsburgh / Vancouver / / Company NIOSH Pittsburgh Research Laboratory / / Country Canada / / / Facility University of British Columbia / National Institute / / / IndustryTerm rock support systems / underground mining industry / mining / rock mass classification systems / coal mining / / Organization University of British Columbia / Vancouver / National Institute for Occupational Safety and Health / / Person Nick Barton / Paul Marinos / Z. T. Bieniawski / Christopher Mark / Evert Hoek / / Position Governor / Director / Health Communications / / ProvinceOrState British Columbia / Pennsylvania / / Technology geophysics / / URL http /
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