Areal and temporal variations in surface-water quality in the Upper Potomac River basin /

Bibliographic Details
Main Author:	Trombley, Thomas J.
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Book
Language:	English
Published:	Towson, Md. : U.S. Dept. of the Interior, U.S. Geological Survey ; 1992.
Series:	Water-resources investigations report ; 89-4139.
Subjects:	Water quality > Potomac River Watershed.

Evans: US Documents (Annex 5th floor)