SPRING MACK DAYS SPONSORED MARCH 16 - MAY 13 BY $225,000 IN CASH + PRIZES On Flathead Lake For Rules, Prizes, Check-in Sites or to Register, go to: www.mackdays.com or call 675-2700 ext. 7294 Ka Br A Prople of Vi UP SPRING MACK DAYS SPONSORED MARCH 16 - MAY 13 BY $ 225,000 IN CASH + PRIZES On Flathead Lake For Rules , Prizes , Check - in Sites or to Register , go to : www.mackdays.com or call 675-2700 ext . 7294 Ka Br A Prople of Vi UP