Nitrate occurrence in U.S. waters (and related questions)
Subtitle: a reference summary of published sources from an agricultural perspective
By: prepared by John Fedkiw.
Contributors: United States. Dept. of Agriculture.
Publisher: U.S. Dept. of Agriculture
Published: 1991
Place of publication: Washington, D.C
Language: eng
Number of pages: 35
Subjects: Water -- Pollution -- United States.; Agricultural pollution -- United States.; Nitrates -- Physiological effect.; Nitrates -- Environmental aspects -- United States.
Notes: Shipping list no.: 91-084-P.

"September 1991."

Includes bibliographical references (p. 33-35).