- The mission of the Chouteau grotto is, in part, to promote the preservation of caves, watershed areas, conservation of caves and their natural content; to promote good will with land owners and land managers. Meetings are held the first Wednesday of each month in the Community room of the Boone Electric Cooperative, 1413 Rangeline Street, Columbia, Missouri at 7pm. Officers/Committees ...chouteau.missouri.org
- Meramec Valley Grotto of St. Louis Missouri ...www.meramecvalleygrotto.org
- Club 69 No Rules!! -- A mixed bag of cavers having fun, some nonsense, and other caving related stuff...home.swbell.net/bob4mvg/club69.html