Download PDF Oswego NW (MT) USGS topo maps. These are full-sheet 7.5 Minute (1:24,000 scale) topographic maps. The red outline on the map below identifies the boundaries of the Oswego NW topo map.
Oswego NW topo maps are provided as PDF files.
Note: The most current map is the 2020 Oswego NW topographic map.