Windmill Lake
Reservoir in Taylor County, Iowa · on the USGS Ladoga quadrangle
40.72944, -94.82629
Maps that show Windmill Lake
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Ladoga, IA
USGS topo, 2022

New Market, IA
USGS historical 15-minute topo (1940)

New Market, IA
USGS historical 15-minute topo (1943)

Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)

IFR Enroute Low Altitude Chart L-10 (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).