Improvements in the three-component borehole deformation gage and overcoring techniques / by Vern E. Hooker, James R. Aggson and David L. Bickel ; with an appendix on Stress relief by center hole / by Wilbur I. Duvall.
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Format: | Government Document Book |
Language: | English |
Published: |
[Washington, DC] :
U.S. Dept. of the Interior, Bureau of Mines,
[1974]
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Series: | Report of investigations (United States. Bureau of Mines) ;
7894. |
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