Maps
Calumet Region
Calumet Area of Northwestern Indiana, IN DOT
Calumet Corridor Vision, Southeast Environmental Task Force (SETF), April 2006
Calumet Heritage Area Corridor (Proposed), Calumet Heritage Partnership (CHP)
Census Data
Chicago Community Areas With Year 2000 Census Tracts, Northeastern IL Planning Commission (NIPC), July, 2006
Chicago 2000 Census Tracts, City of Chicago, 2004<