The history and future of longwall mining in the United States
By: by Thomas M. Barczak.
Series: Information circular -- 9316.; Information circular (United States. Bureau of Mines) -- 9316.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1992
Place of publication: Washington, D.C
Language: eng
Format: Microform
Number of pages: 26
Subjects: Longwall mining -- United States -- History.; Longwall mining -- United States.
Notes: Distributed to depository libraries in microfiche.

Shipping list no.: 92-2269-M.

Includes bibliographical references (p. 25-26).

Microfiche. [Washington, D.C. : Supt. of Docs., U.S. G.P.O., 1992] 1 microfiche : negative.