Agassiz Pool
Reservoir in Marshall County, Minnesota · on the USGS Middle River SE quadrangle
48.33191, -96.01391
Maps that show Agassiz Pool
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Middle River SE, MN
USGS topo, 2022

Middle River, MN
USGS historical 15-minute topo (1918)

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
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).