IU Geocaching Club (at Indiana University, Bloomington): http://www.indiana.edu/~geocache/
Just adding the link here as it seems to be where people are most likely to look for this sort of thing.
Bloomington Geocachers (as in Bloomington, Indiana): http://groups.google.com/group/bloomingtongeocaching
Just adding the link here as it seems to be where people are most likely to look for this sort of thing.