Cutting action of rotary bits in oil shale

Author:	Rose, Charles K.
Additional Authors:	Utter, Stephen.
Year:	1955
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
Series:	Report of investigations / Bureau of Mines ;
Report Number:	5174
Subjects:	Oil-shales
	Shale oils
	Rotary cutting
Link:	https://hdl.handle.net/2027/mdp.39015078540757