Big Tom Hill
Summit in Grant County, South Dakota · on the USGS Rosen quadrangle
45.17900, -96.48710
Maps that show Big Tom Hill
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Rosen, MN-SD
USGS topo, 2022
Bellingham, MN
USGS historical 15-minute topo (1953)
Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)
IFR Enroute Low Altitude Chart L-14 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-12 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-02 (U.S.)
FAA, 2026-10-29
Name, class, county and location: USGS Geographic Names Information System (public domain).