Areal and temporal variations in surface-water quality in the Upper Potomac River basin
By: by Thomas J. Trombley
Contributors: Geological Survey (U.S.)
Series: Water-resources investigations report -- 89-4139
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; Books and Open-File Reports Section [distributor]
Published: 1992
Place of publication: Towson, Md; Denver, Colo
Language: eng
Number of pages: 48
Subjects: Water quality -- Potomac River Watershed
Notes: Shipping list no.: 92-263-P

One map on 1 folded leaf in pocket

Includes bibliographical references (p. 47-48)