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Explosives > Safety regulations > 1930

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1.
Active list of permissible explosives and blasting devices approved prior to June 30, 1930
Published
[Washington, D.C.?] : U.S. Dept. of Commerce, Bureau of MInes, 1930.
Online
Online book
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
2.
Official changes in the active list of permissible explosives and blasting devices for December, 1930
Author
Turner, Scott
Published
[Washington, D.C.?] : U.S. Dept. of Commerce, Bureau of Mines, 1930.
Online
Online book
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
3.
Official changes in the active list of permissible explosives and blasting devices for February, 1930
Author
Turner, Scott
Published
[Washington, D.C.?] : U.S. Dept. of Commerce, Bureau of Mines, 1930.
Online
Online book
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
4.
Official changes in the active list of permissible explosives and blasting devices for June, 1930
Author
Turner, Scott
Published
[Washington, D.C.?] : U.S. Dept. of Commerce, Bureau of Mines, 1930.
Online
Online book
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
5.
Official changes in the active list of permissible explosives and blasting devices for March, 1930
Author
Turner, Scott
Published
[Washington, D.C.?] : U.S. Dept. of Commerce, Bureau of Mines, 1930.
Online
Online book
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
6.
Official changes in the active list of permissible explosives and blasting devices for November, 1930
Author
Turner, Scott
Published
[Washington, D.C.?] : U.S. Dept. of Commerce, Bureau of Mines, 1930.
Online
Online book
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
7.
Official changes in the active list of permissible explosives and blasting devices for September, 1930
Author
Turner, Scott
Published
[Washington, D.C.?] : U.S. Dept. of Commerce, Bureau of Mines, 1930.
Online
Online book
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online