1990 Water quality fact sheet
Contributors: United States. Extension Service; United States. Soil Conservation Service
Publisher: U.S. Dept. of Agriculture, Agricultural Stabilization and Conservation Service; Extension Service; Soil Conservation Service
Published: 1990
Place of publication: Washington, D.C.?]
Language: eng
Subjects: Water quality; States; Water quality management
Other titles: Water quality fact sheet.
Notes: "Issued May 1990"--P.4.