http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Residence time, chemical and isotopic analysis of nitrate in the groundwater and surface water of a small agricultural watershed in the coastal plain, Bucks Branch, Sussex County, Delaware
Department of Natural Resources and Environmental Control,
1 online resource (v, 15 pages) : color illustrations.
by John W. Clune and Judith M. Denver ; prepared in cooperation with the Delaware Department of Natural Resources and Environmental Control and the Delaware Geological Survey.
Title from title screen (viewed Feb. 4, 2012).
Includes bibliographical references (pages 13-15).
Scientific investigations report ; 2012-5235