Instructions, roof fall entrapment
Publisher: [U.S. Department of the Interior, Bureau of Mines]
Published: 1989
Place of publication: Washington, D.C.?]
Language: eng
Subjects: Mine accidents; Mine rescue work; Problems, exercises
Other titles: Roof fall entapment.
Notes: Running title: Roof fall entrapment.

Shipping list no.: 89-318-P.