Stereographic method of determining whether planes of weakness transect pillars /

Bibliographic Details
Main Author:	Touseull, Jack A.
Corporate Author:	United States. Bureau of Mines
Format:	Government Document Book
Language:	English
Published:	[Washington] : Dept. of the Interior, Bureau of Mines, 1977.
Series:	Report of investigations - Bureau of Mines ; 8232
Subjects:	Pillaring (Mining) Strength of materials.

Description
Physical Description:	3 unnumbered pages, 17 pages : diagrams ; 27 cm.
Bibliography:	Includes bibliographical references (page 17).