Ruby Flats
Flat in Lawrence County, South Dakota · on the USGS Lead quadrangle
44.31443, -103.78492
Maps that show Ruby Flats
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Lead, SD
USGS topo, 2021
Spearfish, SD
USGS historical 15-minute topo (1900)
Spearfish, SD
USGS historical 15-minute topo (1915)
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
IFR Enroute Low Altitude Chart L-13 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-03 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-01 (U.S.)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).