Relation of nitrogen and phosphorus in ground water to land use in four subunits of the Potomac River Basin.

Bibliographic Details
Main Author: Ator, Scott W.
Corporate Authors: National Water-Quality Assessment Program (U.S.), Geological Survey (U.S.)
Other Authors: Denis, Janet M.
Format: Government Document Book
Language:English
Published: Baltimore, Md. : U.S. Dept. of the Interior, U.S. Geological Survey ; 1997.
Series:Water-resources investigations report ; 96-4268.
Subjects: