
The high desert terrain of Malheur County dominates this 2020 landscape, characterized by a sophisticated network of water management features designed for arid-land ranching. At the center lies the Blue Mountain Basin, a topographical bowl flanked by the prominent Blue Mtn and the high point at Twelvemile Summit. The map reveals a dense concentration of man-made catchments, including the Blue Mountain Basin Reservoir and several others like Backside Reservoir and Twin Reservoirs, which illustrate the critical importance of water storage in this section of Oregon. The only significant transit corridor is the Enchave Ranch Rd, which winds through the basin toward landmarks such as Echave Reservoir. Natural water sources like Achubal Spring and Ditch Spring provide traditional focal points, while the massive Blue Mountain Draw serves as a primary drainage for the surrounding slopes.
23 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1955 · Jordan Valley
USGS Topo · 1:250,000
1955 · Adel
USGS Topo · 1:250,000
1957 · Adel
USGS Topo · 1:250,000
1957 · Jordan Valley
USGS Topo · 1:250,000
1958 · Adel
USGS Topo · 1:250,000
1958 · Jordan Valley
USGS Topo · 1:250,000
1962 · Adel
USGS Topo · 1:250,000
1981 · Twelvemile Ridge
USGS Topo · 1:24,000
1981 · Dry Creek Bench
USGS Topo · 1:24,000
1981 · Doolittle Creek
USGS Topo · 1:24,000