
Old Ion Hwy and Bowden Ranch Rd intersect this high desert expanse in southeastern Malheur County, marking the primary human infrastructure in a landscape defined by drainage patterns and volcanic terrain. The eastern edge of the map is dominated by the Bowden Hills, which rise above the surrounding flats to overlook a topographic depression known as The Basin. This 2011 survey captures the area's transition between isolated ranching access routes and the open rangeland characteristic of the Oregon high desert, offering a precise view of the geographic features that have historically dictated movement and land use in this sparsely populated region.
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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
1957 · Jordan Valley
USGS Topo · 1:250,000
1958 · Jordan Valley
USGS Topo · 1:250,000
1979 · Bowden Ranch
USGS Topo · 1:24,000
1979 · Anderson Reservoir
USGS Topo · 1:24,000
1979 · Flat Top Mtn SE
USGS Topo · 1:24,000
1979 · The Basin
USGS Topo · 1:24,000
1980 · Flat Top Mtn
USGS Topo · 1:24,000
1980 · Rome State Airport
USGS Topo · 1:24,000
1982 · Basque
USGS Topo · 1:24,000