Hi Steve. It looks like 4:40 Saturday at TCF, which is open to media and public.
Gophers Announce 2014 Fall Camp Schedule
Practices on Aug. 4, 5 and 6 are open to the public, as is the Aug. 9 scrimmage
http://www.gophersports.com/sports/m-footbl/spec-rel/072214aab.html
July 22, 2014 (from link)
University of Minnesota head football coach Jerry Kill has announced that the Gophers will have three practices and one scrimmage open to the public prior to Minnesota starting the season at home against Eastern Illinois on Aug. 28.
Minnesota Football Preseason Camp Dates
Aug. 1, 5:15 PM - Practice #1, Gibson-Nagurski Complex, Open to Media
Aug. 2, 10:25 AM - Practice #2, Gibson-Nagurski Complex, Open to Media
Aug. 3, 10:25 AM - Practice #3, Gibson-Nagurski Complex, Open to Media
Aug. 4, 5:15 PM - Practice #4, Gibson-Nagurski Complex, Open to Public/Media
Aug. 5, 5:15 PM - Practice #5, Gibson-Nagurski Complex, Open to Public/Media
Aug. 6, 5:15 PM - Practice #6, Gibson-Nagurski Complex, Open to Public/Media
Aug. 7. 5:15 PM - Practice #7
Aug. 8, 5:15 PM - Practice #8
Aug. 9, 9:10 AM/4:40 PM - Practice #9/#10, Gibson-Nagurski /TCF Bank Stadium, #10 Open to Public/Media
Aug. 10 - No practice
Aug. 11, 9:10 AM/4:40 PM - Practice #11/#12
Aug. 12, 10:25 AM - Practice #13
Aug. 13, 9:10 AM/4:40 PM - Practice #14/#15
Aug. 14, 10:25 AM - Practice #16
Aug. 15, 9:10 AM/4:40 PM - Practice #17/#18
Aug. 16, 6:07 PM - Practice #19
Aug. 17 - No practice
Aug. 18 - No practice
Aug. 19, 9:10 AM/4:40 PM - Practice #20/#21
Aug. 20, 10:25 AM - Practice #22
Aug. 21, 10:25 AM - Practice #23
Aug. 22 - No practice
Aug. 23, 3:40 PM - Practice #24
Aug. 24, 3:40 PM - Practice #25
Aug. 25, 3:40 PM - Practice #26
Aug. 26, 3:40 PM - Practice #27
Aug. 27 - No practice
Aug. 28 - Game vs. Eastern Illinois at 6 PM CT