May 10, 2019 - 9:32am | By Leah Backstrom Nathan Olson, MN DNR Area Fisheries Supervisor - Detroit Lakes Region on Minnesota Walleye Opener. Original Air Date: Friday, May 10, 2019Tags: Detroit LakesRegionMinnesotaWalleye OpenerNathan OlsonMN DNR Area Fisheries SupervisorFishingSeasonAnglers