Monitoring and warning instrumentation of pillar movements in salt /

Bibliographic Details

Main Author:	Ellickson, M L.
Corporate Author:	United States. Mining Enforcement and Safety Administration
Format:	Government Document Book
Language:	English
Published:	[Arlington, Va.] : U.S. Dept. of the Interior, Mining Enforcement and Safety Administration, 1977.
Series:	Informational report (United States. Mining Enforcement and Safety Administration) ; 1055.
Subjects:	Mine safety. Rock deformation.