Swan Lake (historical)
Lake in Guthrie County, Iowa · on the USGS Bagley quadrangle
41.79915, -94.43358
Maps that show Swan Lake (historical)
Get them in the map app
Bagley, IA
Detailed map of terrain, trails and roads
USGS topo, 2022
Bagley, IA
Old map for history, not navigation
USGS historical 15-minute topo (1954)
Park Map - Lewis and Clark National Historic Trail
National Park Service Maps · Lewis and Clark National Historic Trail
Continental Glaciation Map - Tule Springs Fossil Beds National Monument
National Park Service Maps · Tule Springs Fossil Beds National Monument
Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)
IFR Enroute Low Altitude Chart L-12 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-05 (U.S.)
FAA, 2026-10-29
Name, class, county and location: USGS Geographic Names Information System (public domain).