High Horn Reservoir
Reservoir in Malheur County, Oregon · on the USGS Eldorado Pass quadrangle
44.27208, -118.00425
Maps that show High Horn Reservoir
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Eldorado Pass, OR
Detailed map of terrain, trails and roads
USGS topo, 2024

Eldorado Pass
Forest Service topo with road numbers
Forest Service FSTopo 7.5-minute quad

Brogan 30x60 Land Ownership (BLM Surface Management)
Land Ownership Maps from BLM Data · Oregon

John Day 30x60 Land Ownership (BLM Surface Management)
Land Ownership Maps from BLM Data · Oregon

Wallowa-Whitman National Forest Snowmobile Map (2023)
Forest Service Maps · Wallowa-Whitman National Forest

Wallowa-Whitman National Forest
Forest Service forest map

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).