Probability of encountering coalbed discontinuities during vertical and horizontal borehole drilling /

Bibliographic Details

Main Author:	Houseknecht, David W.
Corporate Author:	United States. Bureau of Mines
Format:	Government Document Book
Language:	English
Published:	Pgh. [i.e. Pittsburgh], Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1982.
Series:	Report of investigations (United States. Bureau of Mines) ; 8665.
Subjects:	Boring. Methane. Coal mines and mining.