This Draft Resource Management Plan and Environmental Impact Statement describes and analyzes six alternatives for managing the Upper Missouri River Breaks National Monument located in portions of Blaine, Chouteau, Fergus, and Phillips Counties in northcentral Montana. The Monument includes about 375,000 acres of public land administered by the Bureau of Land Management́s Lewistown Field Office. The six alternatives are: Alternative A (current management or the ́no actioń alternative), Alternatives B, C, D, E, and Alternative F (the preferred alternative). The alternatives address the following four main areas: health of the land and fire; visitor use, services and infrastructure; natural gas exploration and development; and access and transportation.