Here is Fran Grayson**, doing some gymnastics on the Olympic Circle. I'm going to guess that the photo was taken in 1980. Yes, we had this trampoline-like jump-off thingie. We taught the kids to run up on it and fling themselves in the air. What to land on? Well, mostly the grass of the Olympic Circle and sometimes some old foam mattresses. Don't know how many sprained ankles were the result of this activity, but I do know that the Health Center (in Smith Lodge) was just 60 feet away.
** I'm about 95% certain it's Fran. (Later note: Now I'm 100% certain. Fran herself just confirmed it!)