A model of shield-strata interaction and its implications for active shield setting requirements
By: by Thomas M. Barczak and David C. Oyler.
Series: Report of investigations -- 9394.; Report of investigations (United States. Bureau of Mines) -- 9394.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1991
Place of publication: Washington, D.C
Language: eng
Format: Microform
Subjects: Mine roof control -- Mathematical models.; Rock mechanics -- Mathematical models.; Longwall mining -- Mathematical models.
Notes: Distributed to depository libraries in microfiche.

Shipping list no.: 92-1641-M.

Microfiche. [Washington, D.C.] : Supt. of Docs., U.S. G.P.O., 1991. 1 microfiche.