Lake George
Reservoir in Warren County, Iowa · on the USGS Martensdale quadrangle
41.29170, -93.71360
Maps that show Lake George
Get them in the map app
Martensdale, IA
Detailed map of terrain, trails and roads
USGS topo, 2022
Indianola, IA
Old map for history, not navigation
USGS historical 15-minute topo (1931)
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-27 (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-05 (U.S.)
FAA, 2026-10-29
Name, class, county and location: USGS Geographic Names Information System (public domain).