Owl Lake (historical)
Lake in Humboldt County, Iowa · on the USGS Hardy quadrangle
42.76247, -94.02940
Maps that show Owl Lake (historical)
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Hardy, IA
Detailed map of terrain, trails and roads
USGS topo, 2022
Park Map - Lewis and Clark National Historic Trail
National Park Service Maps · Lewis and Clark National Historic Trail
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
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).