It is that time of the year again for the annual 2012 Spring Mack Days on Flathead Lake. Win up to $150,000 in Lottery and Bonus Prizes. This runs March 16th - May 20th Fridays, Saturdays, Sundays except the last 10 will be straight fishing days so you have plenty of time to catch that big one. You can register online at www.mackdays.com. (406) 883-2888, Ex:7294