Trends in nutrient concentration and load for streams in the Mississippi River Basin, 1974-94
By: by D.L. Lurry and D.D. Dunn ; prepared in cooperation with the U.S. Environmental Protection Agency, Gulf of Mexico Program, Nutrient Enrichment Issue Committee.
Contributors: Dunn, David D.; Gulf of Mexico Program (U.S.). Nutrient Enrichment Committee; Geological Survey (U.S.)
Series: U.S. Geological survey water-resources investigations report ;; 97-4223; Water-resources investigations report ;; 97-4223.
Publisher: USGS; U.S. Geological Survey, Branch of Information Services [distributor]
Published: 1997
Place of publication: Austin, Tex; Denver, CO
Language: eng
Number of pages: 62
Subjects: Nutrient pollution of water -- Mississippi River Valley.; Water -- Phosphorus content -- Mississippi River Valley.; Water -- Nitrogen content -- Mississippi River Valley.
Notes: Includes bibliographical references (p. 21-22).
Shipping list no.: 98-0094-P.