Porter Spring
Spring in Pierce County, Wisconsin · on the USGS Spring Valley quadrangle
44.76441, -92.16712
Maps that show Porter Spring
Get them in the map app
Spring Valley, WI
Detailed map of terrain, trails and roads
USGS topo, 2022
Knapp, WI
Old map for history, not navigation
USGS historical 15-minute topo (1946)
Knapp, WI
Old map for history, not navigation
USGS historical 15-minute topo (1949)
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).