Hydrologic unit maps /

Bibliographic Details
Main Author:	Seaber, Paul R.
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Kapinos, F. Paul, Knapp, George L.
Format:	Government Document Book
Language:	English
Published:	[Reston, Va.] : Dept. of the Interior, U.S. Geological Survey ; 1987.
Series:	U.S. Geological Survey water-supply paper ; 2294.
Subjects:	Watersheds > United States > Maps. Hydrology > United States > Maps.