RANGER THINGS: Chapter Four - The Mystery of History with Ranger Study Whether it be a first day hike or weekend trip in the new year, you might be considering enjoying one of our many Maryland state parks. However; before you go, there are some Ranger Things we’d like you to consider. To protect our parks, our mission focuses on protecting and preserving our resources: the natural, cultural, recreational, and historical. By practicing Leave No Trace principles, you can do your part to keep our