Safety Factors in Construction and Ventilation, Wawona Vehicular Tunnel, Yosemite National Park, California
Description:
Report issued by the Bureau of Mines discussing the safety and ventilation hazards presented during the construction of the Wawona tunnel in Yosemite National Park. Safety precautions and procedures used during the construction are presented. This report includes tables, illustrations, and photographs.
Date:
1940
Creator:
Ash, S. H.
Item Type:
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Report