Water-quality assessment of the Potomac River Basin :
analysis of available pesticide data, 1972-90 /
by Humbert Zappia and Gary T. Fisher.
Description
- Language(s)
-
English
- Published
-
Baltimore, Md. : U.S. Dept. of the Interior, U.S. Geological Survey ; 1997.
- Note
-
Shipping list no.: 97-0370-P.
"Prepared as part of the National Water-Quality Assessment (NAWQA) Program."
- Physical Description
-
vi, 80 p. :
maps ;
28 cm.
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