Practical design methods for barrier pillars
By: by J.R. Koehler and Stephen C. Tadolini.
Contributors: Tadolini, Stephen C.
Series: Information circular ;; 9427; Information circular (United States. Bureau of Mines) ;; 9427.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1995
Place of publication: [Washington]
Language: eng
Number of pages: 19
Subjects: Pillaring (Mining) -- Design and construction.; Longwall mining.
Notes: Includes bibliographical references.