The fracture mechanics approach to understanding supports in underground coal mines
By: by James M. Kramer, George J. Karabin, and M. Terry Hoch
Contributors: Karabin, George J; Hoch, M. Terry; Pittsburgh Safety and Health Technology Center (U.S.)
Series: Informational report -- IR 1263; Informational report (United States. Mine Safety and Health Administration) -- 1263
Publisher: U.S. Dept. of Labor, Mine Safety and Health Administration, Pittsburgh Safety and Health Technology Center
Published: 2001
Place of publication: [Pittsburgh, PA]
Language: eng
Format: Microform
Number of pages: 68
Subjects: Mine roof control; Fracture mechanics; Coal mines and mining
Other titles: Roof Control Division
Notes: Shipping list no.: 2001-0497-M

Includes index

Includes bibliographical references (p. 49-50)

Microfiche. [Washington, D.C.] : Supt. of Docs., U.S. G.P.O., 2001 1 microfiche : negative