Water quality
Subtitle: a report of progress
Contributors: United States. Dept. of Agriculture
Publisher: U.S. Dept. of Agriculture
Published: 1997
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 23
Subjects: Water quality -- United States; Agricultural chemicals -- Environmental aspects -- United States; Water -- Purification -- United States
Notes: Cover title

"September 1997"--P. 4 of cover

Also available via Internet from the National Agricultural Library, Water Quality Information Center web site