Toward development of a hard-rock mining machine--drag cutter experiments in hard abrasive rocks
By: by Roger J. Morrell and Richard J. Wilson.
Contributors: Wilson, Richard J.
Series: Report of investigations ;; 8784; Report of investigations (United States. Bureau of Mines) ;; 8784.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1983
Place of publication: [Pittsburgh, Pa.]
Language: eng
Number of pages: 19
Subjects: Drag bits (Drilling and boring) -- Testing.; Mining machinery.; Rock mechanics.
Notes: Bibliography: p. 19.