Nonpoint and point sources of nitrogen in major watersheds of the United States /

Bibliographic Details
Main Author:	Puckett, Larry J.
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Book
Language:	English
Published:	Reston, Va. : U.S. Geological Survey ; 1994.
Series:	Water-resources investigations report ; 94-4001.
Subjects:	Nonpoint source pollution > United States. Water > Nitrogen content > United States. Water > Pollution > United States > Point source identification.
Online Access:	https://purl.fdlp.gov/GPO/LPS23663

Description
Physical Description:	9 pages : illustrations, maps ; 28 cm. Available via Internet from the U.S. Geological Survey/NAWQA web site. Address as of 11/1/2002: http://water.usgs.gov/nawqa/wri94-4001/; current access via PURL
Bibliography:	Includes bibliographical references (page 9).