KCI Links
- National Speliological Society
- Indiana Karst Conservancy
- Little Egypt Grotto
- Near Normal Grotto
- Windy City Grotto
- Rock River Speleological Society
- Meramec Valley Grotto
- Illinois Speleology Mailing List
- Illinois Speleological Survey
- Missouri Caves and Karst Conservancy
- National Cave Rescue Commission
- NSS Cave Conservation and Management Section