A primer on explosives for coal miners
By: by Charles E. Munroe and Clarence Hall.
Contributors: Hall, Clarence.
Series: United States.  Geological Survey.  Bulletin -- 423; Geological Survey bulletin -- 423.
Publisher: Government Printing Office
Published: 1909
Place of publication: Washington
Language: eng
Number of pages: 61
Subjects: Explosives; Coal mines and mining -- Explosives