Big Mud Lake
Lake in Sherburne County, Minnesota · on the USGS Orrock quadrangle
45.45279, -93.74594
Maps that show Big Mud Lake
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Orrock, MN
USGS topo, 2022
Elk River, MN
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).