http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Chemical quality of surface water and mathematical simulation of the surface-water system, Powder River drainage basin, northeastern Wyoming and southeastern Montana
Department of Natural Resources and Conservation.
vi, 85 pages : illustrations, maps ; 28 cm.
by J.B. Lindner-Lunsford [and others] ; prepared in cooperation with the Wyoming Water Development Commission, Montana Department of Natural Resources and Conservation, and the Wyoming State Engineer.
Includes bibliographical references (pages 63-64).
Water-resources investigations report ; 91-4199