Lake Thunderhead
Reservoir in Putnam County, Missouri · on the USGS Lake Thunderhead quadrangle
40.50435, -93.02682
Maps that show Lake Thunderhead
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Lake Thunderhead, MO-IA
USGS topo, 2021
Seymour, IA
USGS historical 15-minute topo (1942)
Seymour, IA
USGS historical 15-minute topo (1944)
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
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).