http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Automatic fire protection systems for surface mining equipment
ii, 38 pages : 32 illustrations ; 27 cm.
by William H. Pomroy and Kenneth L. Bickel.
Information circular (United States. Bureau of Mines) ; 8832