Continuous recorder to monitor mine roof displacement
By: by Daryl E. Radcliffe and James R. FitzSimmoms.
Contributors: FitzSimmons, James R.; United States. Bureau of Mines.
Series: Technical progress report - Bureau of Mines ; 104; Bureau of Mines technical progress report -- TPR 104.
Publisher: Dept. of the Interior, Bureau of Mines
Published: 1977
Place of publication: [Washington]
Language: eng
Number of pages: 12
Subjects: Mine safety -- Equipment and supplies.
Notes: Coal mine health and safety program.

December 1977.