A laboratory comparison of drag cutting methods in hard rock
By: by S.J. Anderson, R.J. Morrell, and D.A. Larson.
Contributors: Morrell, Roger J.; Larson, David A.
Series: Report of investigations ;; 9086; Report of investigations (United States. Bureau of Mines) ;; 9086.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1987
Place of publication: Pittsburgh, Pa
Language: eng
Number of pages: 12
Subjects: Drag bits (Drilling and boring) -- Testing.; Quarries and quarrying -- Testing.; Limestone.
Notes: Bibliography: p. 12.