Relation of Algal Biomass to Characteristics of Selected Streams in the Lower Susquehanna River BasinRobin A. Brightbill1998
Trends in Concentrations of Polychlorinated Biphenyls in Fish Tissue from Selected Sites in the Delaware River Basin in New Jersey, New York, and Pennsylvania, 1969-98Karen. Riva-Murray2003
Fish Communities and Their Relation to Physical and Chemical Characteristics of Streams from Selected Environmental Settings in the Lower Susquehanna River Basin, 1993-95Michael D. Bilger1998
Relations of Biological Indicators to Nutrient Data for Lakes and Streams in Pennsylvania and West Virginia, 1990-98Robin A. Brightbill2003
Water quality in the Delaware River Basin, Pennsylvania, New Jersey, New York, and Delaware, 1999-2001Jeffrey M Fischer, Karen Riva-Murray & 5 more2004
Occurrence of Organochlorine Compounds in Whole Fish Tissue from Streams of the Lower Susquehanna River Basin, Pennsylvania and Maryland, 1992Michael D. Bilger1999