Distribution of selected herbicides and nitrate in the Mississippi River and its major tributaries, April through June 1991 /

Bibliographic Details
Main Author: Goolsby, D. A.
Corporate Author: Geological Survey (U.S.)
Other Authors: Coupe, R. C., Markovchick, D. J.
Format: Government Document Book
Language:English
Published: Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey : 1991.
Series:Water-resources investigations report ; 91-4163.
Subjects: