TY - RPRT TI - Relations of principal components analysis site scores to algal-biomass, habitat, basin-characteristics, nutrient, and biological-community data in the Upper Wabash River Basin, Indiana, 2003 AU - Donald R. Leer AU - Brian J. Caskey AU - Jeffrey W. Frey AU - B. Scott Lowe PY - 2007 DO - 10.3133/sir20075231 UR - https://pubs.usgs.gov/publication/sir20075231 ID - sir20075231 ER -