NAWQA, National Water-Quality Assessment Program
Subtitle: Allegheny-Monongahela River Basin.
Contributors: Brown, Juliane B.; Sams, James I.; Geological Survey (U.S.)
Series: U.S. Geological Survey open-file report -- 97-246
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 1997
Place of publication: Pittsburgh, PA
Language: eng
Format: Microform
Subjects: National Water-Quality Assessment Program (U.S.); Water quality -- Allegheny River Watershed (Pa. and N.Y.).; Water quality -- Monongahela River Watershed (W. Va. and Pa.).
Other titles: National Water-Quality Assessment Program; National Water Quality Assessment Program; Allegheny-Monongahela River Basin
Notes: Caption title.

"Steven D. McAuley, Juliane B. Brown, and James I. Sams, III"--Colophon.

Shipping list no.: 99-0352-M.

"July 1997"--P. [6].

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1998?] 1 microfiche : negative.