@book{bhlitem51113, title = {The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project }, volume = {2}, copyright = {Not provided. Contact Holding Institution to verify copyright status.}, url = {https://www.biodiversitylibrary.org/item/51113}, note = {https://www.biodiversitylibrary.org/bibliography/14722}, publisher = {Springfield, Ill, Ill. Dept. of Energy and Natural Resources, 1994}, author = {Illinois. Dept. of Energy and Natural Resources. and Critical Trends Assessment Project.}, year = {}, pages = {184}, keywords = {Ecology|Environmental aspects|Environmental impact analysis|Environmental protection|Illinois|Influence on nature|Man|Pollution|}, }