Official changes in the active list of permissible explosives and blasting devices approved prior to January 31, 1933

Additional Authors: Turner, Scott.
Year: 1933
Document Type: BMRA
Issuing Agency: U.S. Dept. of Commerce, Bureau of Mines,
SUDOC: C 22.12:3202
Series: Report of investigations / United States Department of Commerce, Bureau of Mines ;
Report Number: 3202
Subject: Explosives--Safety regulations--1933
Link: https://hdl.handle.net/2027/mdp.39015077563339

< New search