For this round of Wanna Know Idaho – we’re headed to the West Central Mountains. Have you ever wondered… How Cascade Reservoir became Lake Cascade? Or why the average age of people in the region seems to be higher than in other parts of the state? Or maybe you’re wondering about the potential impacts of an open pit mine that's been proposed by the Midas Gold Corp.? Which one of these listener questions should Wanna Know Idaho tackle next? The deadline to have your say is Tuesday, Oct. 16 at midnight. Cast your vote here: _ _