Menace of opening kegs of black blasting powder with wooden tools.

Other author Howell, S. P. (Spencer Pritchard), 1880-1937.
Other author United States. Bureau of Mines.
Format Microform
Publication Info[Place of publication not identified] : [publisher not identified], 1920.
Description3 pages ; cm.
Subjects

SeriesMines Bur. Rpt. of Investigation No. 2161
General noteRecord is based on bibliographic data in CIS Index to U.S. Executive Branch Documents, 1910-1932. Reuse except for individual research requires license from LexisNexis Academic & Library Solutions.
General note[on mine safety procedures].
Citation/References note CIS Index to U.S. Executive Branch Documents, 1910-1932 Part 4
Reproduction noteJoyner- Microfiche. [Bethesda, Md.]: LexisNexis Academic & Library Solutions, 1997. 11 x 15 cm. (CIS US Executive Branch Documents, 1910-1932 : no. I28.23-2161.D).
Govt. docs number I 28.23:2161