Bureau of Mines well-bore caliper

Author:	Hamontre, H. C.
Additional Authors:	Mueller, F. G., Armstrong, F. E.
Year:	1954
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:5092
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	5092
Subjects:	Well drillers
	Boring machinery
Link:	https://hdl.handle.net/2027/mdp.39015078536300