Porters Island
Island in Malheur County, Oregon · on the USGS Porters Flat quadrangle
44.27739, -117.10684
Maps that show Porters Island
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Porters Flat, OR-ID
USGS topo, 2023
Olds Ferry, ID
USGS historical 15-minute topo (1952)
Boise District Map
North — 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
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).