http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Identification of nitrate sources contributing to ground water in the Indian Hills area of Douglas County, Nevada
1 online resource (v, 22 pages) : illustrations, maps.
by James M. Thomas, Carl E. Thodal, and Ralph L. Seiler ; prepared in cooperation with Douglas County Community Development Department.
Includes bibliographical references (pages 21-22).
Water-resources investigations report ; 99-4042