Sherman Pond
Lake in Cherry County, Nebraska · on the USGS Powderhorn Valley SW quadrangle
42.60722, -101.24626
Maps that show Sherman Pond
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Powderhorn Valley SW, NE
USGS topo, 2021

Powderhorn Valley, NE
USGS historical 15-minute topo (1950)

Samuel R. McKelvie National Forest Motor Vehicle Use Map (MVUM) (2020)
Forest Service Maps (public domain) · Nebraska National Forests and Grasslands

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).