Grass Lake
Swamp in Marquette County, Michigan · on the USGS Ishpeming quadrangle
46.46855, -87.65958
Maps that show Grass Lake
Get them in the map app
Ishpeming, MI
Detailed map of terrain, trails and roads
USGS topo, 2023
Ishpeming, MI
Old map for history, not navigation
USGS historical 15-minute topo (1952)
Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)
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
IFR Enroute High Altitude Chart H-12 (U.S.)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).