Least squares calculation of horizontal stress from more than three diametral deformations in vertical boreholes /
Duvall, Wilbur I.
Least squares calculation of horizontal stress from more than three diametral deformations in vertical boreholes / by Wilbur I. Duvall and James R. Aggson. - [Washington] : Dept. of the Interior, Bureau of Mines, 1980 [i.e. 1979] - 12 p. - Report of investigations ; 8414 . - United States. Bureau of Mines. Report of investigations ; 8414 . - Report of investigations (United States. Bureau of Mines) ; 8414. .
79607970
Rock mechanics--Statistical methods.
Least squares.
Boring.
Least squares calculation of horizontal stress from more than three diametral deformations in vertical boreholes / by Wilbur I. Duvall and James R. Aggson. - [Washington] : Dept. of the Interior, Bureau of Mines, 1980 [i.e. 1979] - 12 p. - Report of investigations ; 8414 . - United States. Bureau of Mines. Report of investigations ; 8414 . - Report of investigations (United States. Bureau of Mines) ; 8414. .
79607970
Rock mechanics--Statistical methods.
Least squares.
Boring.