Here are scans from old COSI maps from both buildings. If you have other maps you feel would add to this site, please e-mail them to me at or post them on the Facebook group. Thank you.

Old COSI Maps
1978 Map
1982 Map
1985 Map
1988 Map
1989 Map
1995 Map
1997 Map
1999 Map

New COSI Maps
About 2003/2004 Map
2008 Map
2009 Map
2013 Map
2014 Map