In the Halls Gallery: UW-Fox Valley fall picnic By Vinnie Oestreich - October 17, 2016 239 Share on Facebook Tweet on Twitter A student visits the National Guard booth during the fall picnic Sept. 21. Students learn about the UW-Fox Valley Libertarian Club at the fall picnic. CRU, an interdenominational Christian club on campus, hands out pamphlets and other devotional material at the picnic. The Ballroom Dance Club on campus searched for experienced and aspiring dancers to recruit. In this Chemistry Club experiment during the picnic, sodium was placed in water, causing a small explosion.