Fish communities and their relation to physical and chemical characteristics of streams from selected environmental settings in the Lower Susquehanna River Basin, 1993-95

Physical and water-quality characteristics affecting trout-spawning habitat in the Quashnet River, Cape Cod, Massachusetts

Yvonne Halpern Baevsky

Surface-water-quality assessment of the upper Illinois River Basin in Illinois, Indiana, and Wisconsin

Peter M. Ruhl

Surface-water-quality assessment of the upper Illinois River Basin in Illinois, Indiana, and Wisconsin

Peter M Ruhl

Aquaculture wastewater treatment

Daniel Stechey

Benthic invertebrates of fixed sites in the western Lake Michigan drainages, Wisconsin and Michigan, 1993-95

Bernard N. Lenz

Summary of biological and contaminant investigations related to stream water quality and environmental setting in the Upper Colorado River Basin, 1938-95

Jeffrey R. Deacon

Water quality in ponds for aquaculture

Claude E. Boyd