Sobek Lake
Reservoir in Brule County, South Dakota · on the USGS Kimball North quadrangle
43.80499, -98.96696
Maps that show Sobek Lake
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Kimball North, SD
USGS topo, 2021
Kimball North, SD
USGS historical 15-minute topo (1941)
Kimball North, SD
USGS historical 15-minute topo (1951)
WPA 2026 Agricultural Cooperative Map
Fish & Wildlife Service Refuge Maps (public domain)
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-02 (U.S.)
FAA, 2026-10-29
Name, class, county and location: USGS Geographic Names Information System (public domain).