Download PDF Oelrichs SW (SD) USGS topo maps. These are full-sheet 7.5 Minute (1:24,000 scale) topographic maps. There is more than one publication date for the Oelrichs SW topo map.
Oelrichs SW topo maps are provided as PDF files.
Note: The most current map is the 2021 Oelrichs SW topographic map.