Temporal changes in sulfate, chloride, and sodium concentrations in four eastern Pennsylvania streams /

Bibliographic Details
Main Author:	Barker, James L., 1936-
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Book
Language:	English
Published:	Harrisburg, Pa. : U.S. Dept. of the Interior, Geological Survey ; 1986.
Series:	Water-resources investigations report ; 85-4074.
Subjects:	Land use > Environmental aspects > Pennsylvania. Acid pollution of rivers, lakes, etc. > Pennsylvania.

Evans: US Documents (Annex 5th floor)