Granite Island
Island in Marquette County, Michigan · on the USGS Marquette NW quadrangle
46.72076, -87.41153
Maps that show Granite Island
Get them in the map app
Marquette NW, MI
Detailed map of terrain, trails and roads
USGS topo, 2023
Marquette, MI
Old map for history, not navigation
USGS historical 15-minute topo (1907)
Marquette, MI
Old map for history, not navigation
USGS historical 15-minute topo (1954)
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
Name, class, county and location: USGS Geographic Names Information System (public domain).