Download PDF Oswegatchie SW (NY) 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 Oswegatchie SW topo map.
Oswegatchie SW topo maps are provided as PDF files.
Note: The most current map is the 2019 Oswegatchie SW topographic map.