Stereographic method of determining whether planes of weakness transect pillars

An edition of Stereographic method of determining whether planes of weakness transect pillars (1977)

Stereographic method of determining whether planes of weakness transect pillars

By Jack Touseull

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Publish Date

1977

Publisher

Dept. of the Interior, Bureau of Mines

Language

eng

Pages

Description:

subjects: Pillaring (Mining), Strength of materials