Twentymile Flat
Flat in Owyhee County, Idaho · on the USGS Grand View quadrangle
42.93073, -116.10482
Maps that show Twentymile Flat
Get them in the map app
Grand View, ID
USGS topo, 2023
Grand View, ID
USGS historical 15-minute topo (1947)
Boise District Map
South — BLM Idaho (2019)
IFR Enroute Low Altitude Chart L-11 (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
IFR Enroute Low Altitude Chart L-01 (Alaska)
FAA, 2026-10-29
Name, class, county and location: USGS Geographic Names Information System (public domain).