Birch Flowage
Reservoir in Marathon County, Wisconsin · on the USGS Mosinee quadrangle
44.85494, -89.70775
Maps that show Birch Flowage
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Mosinee, WI
Detailed map of terrain, trails and roads
USGS topo, 2022

Wausau, WI
Old map for history, not navigation
USGS historical 15-minute topo (1963)

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).