Cover Image

Nitrate loads and concentrations in surface-water base flow and shallow groundwater for selected basins in the United States, water years 1990-2006 /

Bibliographic Details
Corporate Authors: Geological Survey (U.S.), National Water-Quality Assessment Program (U.S.)
Other Authors: Spahr, Norman E.
Format: Government Document eBook
Language:English
Published: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2010.
Series:Scientific investigations report ; 2010-5098.
Subjects:
Water > Nitrogen content > United States.
Groundwater > Quality > United States.
Nitrates > Environmental aspects > United States.
Online Access:https://purl.fdlp.gov/GPO/gpo18110
Description
Item Description:Title from title screen (viewed on Jan. 25, 2012).
"National Water-Quality Assessment Program."
Electronic resource.
Physical Description:1 online resource (vii, 39 pages) : color illustrations, color maps.
Bibliography:Includes bibliographical references (pages 19-20).