Stemming ejection and burden movements from small borehole blasts
By: by John W. Kopp.
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;; 9080; Report of investigations (United States. Bureau of Mines) ;; 9080.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1987
Place of publication: Pittsburgh, Pa
Language: eng
Number of pages: 15
Subjects: Blasting.; Mine safety.
Notes: Bibliography: p. 15