Portage Lake
Lake in Houghton County, Michigan · on the USGS Point Mills quadrangle
47.06631, -88.49675
Maps that show Portage Lake
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Point Mills, MI
Detailed map of terrain, trails and roads
USGS topo, 2023
Park Map - Keweenaw National Historical Park
National Park Service Maps · Keweenaw National Historical Park
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-31 (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).