Testing materials for support-wall construction
By: by Kenneth E. Hay and Joanne L. Johnston.
Contributors: Johnston, Joanne L.
Series: Report of investigations ;; 9038; Report of investigations (United States. Bureau of Mines) ;; 9038.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1986
Place of publication: [Pittsburgh, Pa.]
Language: eng
Number of pages: 11
Subjects: Concrete mine supports.; Coal -- Testing.; Aggregates (Building materials) -- Testing.
Notes: Bibliography: p. 11.