Least squares calculation of horizontal stress from more than three diametral deformations in vertical boreholes

Author:	Duvall, Wilbur I.
Additional Authors:	Aggson, James R.,
Year:	1980
Document Type:	BMRA
Issuing Agency:	Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:8414
Series:	Report of investigations / United States. Bureau of Mines ;
Report Number:	8414
Subjects:	Rock mechanics--Statistical methods
	Least squares
	Boring
Link:	https://hdl.handle.net/2027/mdp.39015078466201