Arch canopy design procedure for rehabilitation of high-roof-fall areas
By: by Richard A. Allwes, C.P. Mangelsdorf, and Deno M. Pappas.
Contributors: Mangelsdorf, C. P.; Pappas, Deno M.
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;; 9075; Report of investigations (United States. Bureau of Mines) ;; 9075.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1987
Place of publication: Pittsburgh, Pa
Language: eng
Number of pages: 51
Subjects: Mine roof control.
Notes: Bibliography: p. 49.