Improvements in the three-component borehole deformation gage and overcoring techniques

Author:	Hooker, Verne E.
Additional Authors:	Aggson, James R.,, Duvall, Wilbur I., Bickel, David L.,
Year:	1974
Document Type:	BMRA
Issuing Agency:	U.S. Bureau of Mines,
SUDOC:	I 28.23:7894
Series:	Report of investigations / Bureau of Mines ;
Report Number:	7894
Subjects:	Core drilling
	Strain gages
	Boring
	Gages
Link:	https://hdl.handle.net/2027/mdp.39015078539783