Illinois Environmental Protection Agency - Office of Community Relations, Fact Sheets and General Information
http://www.epa.state.il.us/community-relations/fact-sheets.html
Illinois Office of the Attorney General Homepage
http://www.illinoisattorneygeneral.gov/
National Oceanic and Atmospheric Administration - Damage Assessment and Restoration Program
http://www.darp.noaa.gov/
U.S. Department of Interior's NRDA Homepage
http://www.doi.gov/restoration/index.cfm
U.S. Department of Interior - Office of Environmental Policy & Compliance, NRDA Process
http://www.doi.gov/pmb/oepc/response/a13.cfm
U.S. Environmental Protection Agency, Natural Resource Damages
http://www.epa.gov/superfund/programs/nrd/index.htm
U.S. Fish and Wildlife Service, Region 3 - Midwest Internet Site, Natural Resource Damage Assessment
http://www.fws.gov/midwest/es/ec/nrda/index.html