Water quality in the Potomac River basin, Maryland, Pennsylvania, Virginia, West Virginia, and the District of Columbia, 1992-96
By: by Scott W. Ator ... [et al.].
Contributors: Ator, Scott W.; National Water-Quality Assessment Program (U.S.)
Series: U.S. Geological Survey circular ;; 1166
Publisher: U.S. Geological Survey, Water Resources Division; Free on application to the U.S. Geological Survey, Information Services
Published: 1998
Place of publication: Reston, VA; Denver, CO
Language: eng
Number of pages: 38
Subjects: Water quality -- Potomac River Watershed.
Notes: "NAWQA"--p. [4] of cover.