Penny Lake
Reservoir in Caldwell County, Missouri · on the USGS Nettleton quadrangle
39.75101, -93.95701
Maps that show Penny Lake
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Nettleton, MO
Detailed map of terrain, trails and roads
USGS topo, 2021

Gallatin, MO
Old map for history, not navigation
USGS historical 15-minute topo (1922)

Network to Freedom Brochure Map - National Underground Railroad Network to Freedom Program
National Park Service Maps · National Underground Railroad Network to Freedom Program

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 High Altitude Chart H-05 (U.S.)
FAA, 2026-10-29
Name, class, county and location: USGS Geographic Names Information System (public domain).