Stereographic method of determining whether planes of weakness transect pillars
By: by Jack A. Touseull.
Contributors: United States. Bureau of Mines.
Series: Report of investigations - Bureau of Mines ; 8232; Report of investigations (United States. Bureau of Mines) -- 8232.
Publisher: Dept. of the Interior, Bureau of Mines
Published: 1977
Place of publication: [Washington]
Language: eng
Number of pages: 17
Subjects: Pillaring (Mining); Strength of materials.
Notes: Bibliography: p. 17.