http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Use of water chemistry, isotopes, and chlorofluorocarbons to investigate the sources of ground water beneath Loup City, central Nebraska, 2000
iv, 43 pages : illustrations (some color), color maps ; 28 cm.
by G.V. Steele and F. Edwin Harvey ; prepared in cooperation with the University of Nebraska-Lincoln and the City of Loup City, Nebraska.
Includes bibliographical references (pages 34-36).
Water-resources investigations report ; 02-4049