Leakage and performance characteristics of large stoppings for room-and-pillar mining
By: by Edward D. Thimons ... [et al.].
Contributors: Thimons, Edward D.
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;; 9148; Report of investigations (United States. Bureau of Mines) ;; 9148.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1987
Place of publication: Pittsburgh, Pa
Language: eng
Number of pages: 17
Subjects: Concrete stoppings (Mining) -- Airtightness.
Notes: Bibliography: p. 17.