Boulder, Illinois 7.5 Minute Topo Map
Download PDF Boulder (IL) 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 Boulder topo map.
Adjoining 7.5' Quadrangle Legend
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- Northwest Topo Map: Pleasant Mound, IL
- North Topo Map: Wildcat Lake, IL
- Northeast Topo Map: Patoka, IL
- West Topo Map: Keyesport, IL
- Topo Map: Boulder, IL
- East Topo Map: Fairman, IL
- Southwest Topo Map: Carlyle, IL
- South Topo Map: Centralia West, IL
- Southeast Topo Map: Centralia East, IL
Download Free Topo Maps
Boulder topo maps are provided as PDF files.
- 2021 Boulder 7.5 Minute Topo Map [38.3 MB]
- 2018 Boulder 7.5 Minute Topo Map [42.5 MB]
- 2015 Boulder 7.5 Minute Topo Map [21.4 MB]
- 2012 Boulder 7.5 Minute Topo Map [18.7 MB]
- 1969 Boulder 7.5 Minute Topo Map
Note: The most current map is the 2021 Boulder topographic map.