1. Bacteriological quality of ground water used for household supply, lower Susquehanna River Basin, Pennsylvania and Maryland Author/Creator: Bickford, Tammy M., author Publication/Creation: Lemoyne, Pennsylvania : U.S. Department of the Interior, U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
2. Benthic invertebrate communities and their responses to selected environmental factors in the Kanawha River basin, West Virginia, Virginia, and North Carolina Author/Creator: Chambers, Douglas B. Publication/Creation: Charleston, W. Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
3. Benthic macroinvertebrate assemblages and their relations with environmental variables in the Sacramento and San Joaquin River drainages, California, 1993-1997 Author/Creator: Brown, Larry R., author Publication/Creation: Sacramento, California : U.S. Department of the Interior, U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
4. Biological-community composition in small streams and its relations to habitat, nutrients, and land use in agriculturally dominated landscapes in Indiana and Ohio, 2004, and implications for assessing nutrient conditions in Midwest streams Author/Creator: Caskey, B. J. (Brian J.) Publication/Creation: Reston, Va. : U.S. Geological Survey, 2009 Resource Type: Book Access & Availability: Loading