Rock Island
Island in Polk County, Wisconsin · on the USGS Balsam Lake quadrangle
45.46107, -92.40047
Maps that show Rock Island
Get them in the map app
Balsam Lake, WI
Detailed map of terrain, trails and roads
USGS topo, 2022
Balsam Lake, WI
Old map for history, not navigation
USGS historical 15-minute topo (1950)
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).