Red Lake River
Reservoir in Polk County, Minnesota · on the USGS Grand Forks quadrangle
47.92331, -97.01869
Maps that show Red Lake River
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Grand Forks, ND-MN
USGS topo, 2024

Grand Forks, ND
USGS historical 15-minute topo (1934)

Grand Forks, ND
USGS historical 15-minute topo (1938)

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).