Lake Byllesby
Reservoir in Dakota County, Minnesota · on the USGS Cannon Falls quadrangle
44.51582, -92.97456
Maps that show Lake Byllesby
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Cannon Falls, MN
USGS topo, 2022

Hastings, MN
USGS historical 15-minute topo (1957)

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).