Bertram Lake
Lake in Wright County, Minnesota · on the USGS Monticello quadrangle
45.28941, -93.85484
Maps that show Bertram Lake
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Monticello, MN
Detailed map of terrain, trails and roads
USGS topo, 2022
Monticello, 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 Low Altitude Chart L-12 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-02 (U.S.)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).