Backfilling materials and methods for stress transfer modification in deep longwall mines
By: by Charles V. Jude and Thomas L. Vandergrift.
Contributors: Vandergrift, Thomas L.
Series: Information circular -- 9433.; Information circular (United States. Bureau of Mines) -- 9433.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1995
Place of publication: [Washington, D.C.?]
Language: eng
Format: Microform
Number of pages: 32
Subjects: Mine filling -- United States.; Fly ash -- United States.; Flue gases -- Desulphurization -- United States -- By-products.; Fluidized-bed combustion -- By-products.
Notes: Distributed to depository libraries in microfiche.

Shipping list no.: 97-0942-M.

Includes bibliographical references (p. 24-28).

Microfiche. [Washington, D.C.?] : Supt. of Docs., U.S. G.P.O., [1997] 1 microfiche : negative.