Bill's right : there's room to double up some square rows in the middle of the equilateral grid - probably enough to push the total to 128 or 129. Mathematicians will have to provide the best answer. Maybe I'll dump the question into the GC.com forums. --Dave, The Cow Spots Also, did you know?- The maximum number of caches you can fit in a square mile is 100? Well, that is IF GC.com actually stuck to their .1 "ahem"..."guideline". __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com ____________________________________________________________ Az-Geocaching mailing list listserv@azgeocaching.com To edit your setting, subscribe or unsubscribe visit: http://listserv.azgeocaching.com/mailman/listinfo/az-geocaching Arizona's Geocaching Resource http://www.azgeocaching.com --------------------------------- Do you Yahoo!? Yahoo! Small Business - Try our new resources site!