Grass Lake
Lake in Kanabec County, Minnesota · on the USGS Grasston quadrangle
45.77510, -93.16104
Maps that show Grass Lake
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Grasston, MN
Detailed map of terrain, trails and roads
USGS topo, 2022

Brook Park, MN
Old map for history, not navigation
USGS historical 15-minute topo (1961)

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 High Altitude Chart H-02 (U.S.)
FAA, 2026-10-29
Name, class, county and location: USGS Geographic Names Information System (public domain).