Land use, organochlorine compound concentrations, and trends in benthic-invertebrate communities in selected stream basins in Chester County, Pennsylvania
By: by Mark A. Hardy, Kim L. Wetzel, and Craig R. Moore ; prepared in cooperation with Chester County Water Resources Authority
Contributors: Wetzel, Kim L; Moore, Craig R; Geological Survey (U.S.); Chester County Water Resources Authority
Series: Water-resources investigations report -- 94-4060
Publisher: U.S. Dept. of the Interior U.S. Geological Survey; U.S. Geological Survey, Earth Science Information Center, Open-File Reports Section [distributor]
Published: 1995
Place of publication: Lemoyne, Pa; Denver, Colo
Language: eng
Number of pages: 78
Subjects: Land use -- Pennsylvania -- Chester County; Organochlorine compounds -- Environmental aspects
Notes: Shipping list no.: 95-0240-P

Chiefly tables

Includes bibliographical references (p. 27-28)