Limnological data for the major streams in Chester County, Pennsylvania / by Bruce W. Lium ; prepared in cooperation with the Chester County Water Resources Authority, Chester County Department of Health, and Chester County Board of Commissioners.
- Harrisburg, Pa. : U. S. Dept. of the Interior, Geological Survey, .
- Government document
iv, 219 p. : map ; 26 cm.
- Open-file report (Geological Survey (U.S.))