Here's a recent issue of Wisconsin's Varsity magazine, with a photo of
participants.

 

http://catalog.e-digitaleditions.com/i/80759?hq_e=el
<http://catalog.e-digitaleditions.com/i/80759?hq_e=el&hq_m=341046&hq_l=3&hq_
v=c542495181> &hq_m=341046&hq_l=3&hq_v=c542495181