Gross Valley
Basin in Grant County, Nebraska · on the USGS Long Valley quadrangle
41.76026, -101.98102
Maps that show Gross Valley
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Long Valley, NE
USGS topo, 2021

George Lake, NE
USGS historical 15-minute topo (1948)

George Lake, NE
USGS historical 15-minute topo (1950)

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

IFR Enroute Low Altitude Chart L-13 (U.S.)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).