Coal mine safety and health
Subtitle: MIS users' manual
Contributors: United States. Dept. of Labor
Publisher: U.S. Dept. of Labor
Published: 1984
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: Coal mines and mining -- United States -- Safety measures -- Data processing
Notes: Description based on volume 18

"September 1, 1984."
Table of contents: value: v. 18. Operator sampling subsystem