Humidity : a cyclic effect in coal mine roof stability /

Bibliographic Details
Main Author:	Stateham, Raymond M.
Corporate Author:	United States. Bureau of Mines
Other Authors:	Radcliffe, Daryl E.
Format:	Government Document Book
Language:	English
Published:	[Washington] : Dept. of the Interior, Bureau of Mines, 1978.
Series:	Report of investigations (United States. Bureau of Mines) ; 8291.
Subjects:	Humidity. Coal mine accidents. Coal mines and mining > Safety measures. Rock bursts.

Description
Physical Description:	3 unnumbered pages, 19 pages : illustrations ; 27 cm.
Bibliography:	Bibliography: page 19.