Mining roof bolting machine safety : a study of the drill boom vertical velocity / by Dean H. Ambrose [and others].

Published: Pittsburgh, PA : U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Pittsburgh Research Laboratory, [2005]
Cincinnati, OH : NIOSH-Publications Dissemination
Physical Description: 56 pages : illustrations ; 28 cm.
Additional Creators: Ambrose, Dean H.