The Minnesota Department of Natural Resources this month is outlining how it plans to use $150 million to make upgrades to its outdoor-recreation system. In the current two-year state budget, the department was given the one-time sum to bolster infrastructure and add amenities at state parks and other sites. While Minnesota is known for its recreational opportunities, Parks and Trails Director Ann Pierce said it's become clear the system is showing signs of age, and improvements are much needed. ...