Pilot Lake (historical)
Lake in Dallas County, Iowa · on the USGS Dawson quadrangle
41.75888, -94.21135
Maps that show Pilot Lake (historical)
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Dawson, IA
Detailed map of terrain, trails and roads
USGS topo, 2022

Perry, IA
Old map for history, not navigation
USGS historical 15-minute topo (1950)

Perry, IA
Old map for history, not navigation
USGS historical 15-minute topo (1951)

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).