Room and pillar retreat mining : a manual for the coal industry /

Bibliographic Details
Main Author:	Kauffman, Peter W.
Corporate Author:	United States. Bureau of Mines
Other Authors:	Hawkins, Steven A., Thompson, Robert R.
Format:	Government Document Book
Language:	English
Published:	[Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines : 1981.
Series:	Information circular (United States. Bureau of Mines) ; 8849.
Subjects:	Coal mines and mining > Handbooks, manuals, etc. Pillaring (Mining) > Handbooks, manuals, etc.

Description
Physical Description:	vii, 228 pages : illustrations ; 26 cm.
Bibliography:	Bibliography: pages 160-175.