http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Fifth International Labor Organization report on the prevention and suppression of dust in mining, tunneling, and quarrying in the United States
Mining Enforcement and Safety Administration.
51 pages : illustrations, graphs ; 27 cm.
Includes bibliographical references (pages 38-51).
Informational report (United States. Mining Enforcement and Safety Administration) ; IR1027