Large-scale laboratory drag cutter experiments in hard rock
By: by R.J. Morrell, D.A. Larson, and D.E. Swanson
Contributors: Larson, David A; Swanson, David E
Series: Report of investigations / Bureau of Mines -- 9003; Report of investigations (United States. Bureau of Mines) -- 9003
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1985
Place of publication: [Avondale, Md.]
Language: eng
Number of pages: 18
Subjects: Drag bits (Drilling and boring) -- Testing; Mining machinery; Rock mechanics
Notes: Bibliography: p. 13

Microfiche. Washington, D.C. : U.S. G.P.O., 1986. 1 microfiche.