http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Soil survey of the Milk River area, Montana
35 pages : illustrations, tables, maps (folded) ; 23 cm.
by William DeYoung and F.O. Youngs and T.W. Glassey ; Bureau of Chemistry and Soils in cooperation with the Montana Agricultural Experiment Station.