Monitoring and warning instrumentation of pillar movements in salt
By: by M. L. Ellickson
Contributors: United States. Mining Enforcement and Safety Administration
Series: MESA ; IR 1055
Publisher: U.S. Dept. of the Interior, Mining Enforcement and Safety Administration
Published: 1977
Place of publication: [Arlington, Va.]
Language: eng
Number of pages: 11
Subjects: Mine safety; Rock deformation
Notes: Bibliography: p. 11