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Sources and preparation of data for assessing trends in concentrations of pesticides in streams of the United States.

Bibliographic Details
Corporate Authors: Geological Survey (U.S.), National Water-Quality Assessment Program (U.S.)
Format: Government Document Serial
Language:English
Published: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey.
Series:Scientific investigations report.
Data series (Geological Survey (U.S.))
Subjects:
Rivers > Effect of pesticides on > United States.
Pesticides > Environmental aspects > United States.
Online Access:https://purl.fdlp.gov/GPO/gpo17435
Description
Published:Began with: 1992-2006, published 2009.
Item Description:Electronic resource.
Physical Description:volumes : digital, PDF files.
Publication Frequency:Biennial