Oglala National Grassland MVUM (2020)

Motor Vehicle Use Map (MVUM): the official map of which roads and trails are open to which vehicles, and when. Riding on a route not shown on the current MVUM is a federal violation, so always carry the latest edition. Nebraska National Forests and Grasslands, 2020 edition. Public domain map from the USDA Forest Service, republished from https://www.fs.usda.gov/r02/nebraska/maps-guides. When the forest posts a new edition it shows up here as a free update.