Biodiversity Heritage Library
Subject "Illinois River Watershed"
Illinois River Bluffs area assessment /
By: Illinois. Dept. of Natural Resources. Office of Scientific Research and Analysis. - Critical Trends Assessment Project. - Illinois State Geological Survey. - Illinois. Dept. of Natural Resources.
Publication info: Springfield, Ill. :Illinois Dept. of Natural Resources,1998-
Holding Institution: University Library, University of Illinois Urbana Champaign
Subjects: Illinois Illinois River Watershed Illinois River Watershed (Ill.) Natural resources conservation areas Natural resources surveys