Estimation of anthropogenic nitrogen and phosphorus inputs to the land surface of the conterminous United States--1992,1997, and 2002 /

Bibliographic Details
Main Authors:	Sprague, Lori A. (Author), Gronberg, JoAnn M. (Author)
Format:	Government Document eBook
Language:	English
Published:	Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2013.
Series:	Scientific investigations report ; 2013-5241.
Subjects:	Nature > Effect of human beings on > United States. Soils > Nitrogen content > United States. Water > Nitrogen content > United States. Soils > Phosphorus content > United States. Water > Phosphorus content > United States.
Online Access:	https://purl.fdlp.gov/GPO/gpo33883 http://purl.fdlp.gov/GPO/gpo33883

Description
Item Description:	Title from title screen (viewed Feb. 11, 2013). "National Water-Quality Assessment Program."
Physical Description:	1 online resource (iv, 14 pages) : color illustrations.
Bibliography:	Includes bibliographical references (pages 12-14).