National Water-Quality Assessment Program.
Contributors: Geological Survey (U.S.)
Series: Water fact sheet; Open-file report -- 94-101; U.S. Geological Survey open-file report -- 94-101.
Publisher: U.S. Geological Survey, Dept. of the Interior; Books and Open-File Reports Section, distributor
Published: 1994
Place of publication: [Reston, Va.]; [Denver, Colo
Language: eng
Format: Microform
Subjects: National Water-Quality Assessment Program (U.S.); Water quality -- Mississippi River Watershed.
Other titles: Upper Mississippi River basin
Notes: Distributed to depository libraries in microfiche.

Shipping list no.: 95-0601-M.

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1995] 1 microfiche.