Arch canopy design procedure for rehabilitation of high-roof-fall areas /
by Richard A. Allwes, C.P. Mangelsdorf, and Deno M. Pappas.
APA Citation
Allwes, R. A., Pappas, D. M., Mangelsdorf, C. P. (1987). Arch canopy design procedure for rehabilitation of high-roof-fall areas. [Pittsburgh, Pa.]: U.S. Dept. of the Interior, Bureau of Mines.
MLA Citation
Allwes, Richard A, Deno M Pappas, and C. P Mangelsdorf. Arch Canopy Design Procedure for Rehabilitation of High-roof-fall Areas. [Pittsburgh, Pa.]: U.S. Dept. of the Interior, Bureau of Mines, 1987.
Warning: These citations may not always be complete (especially for serials).