
Harper Valley and its surrounding high desert terrain define this eastern Oregon landscape as it was documented in the late 1980s. The settlement of Harper serves as a focal point near the confluence of the Malheur River and Willow Spring Cr, where irrigation infrastructure like the Harper Canal indicates the region's agricultural reliance on redirected water. Further south, Harper Junction marks a key intersection for travelers and locals moving through this corner of Malheur County.
28 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.
1906 · Mitchell Butte
USGS Topo · 1:125,000
1955 · Boise
USGS Topo · 1:250,000
1958 · Boise
USGS Topo · 1:250,000
1962 · Boise
USGS Topo · 1:250,000
1966 · Harper
USGS Topo · 1:62,500
1967 · Vines Hill
USGS Topo · 1:24,000
1967 · Sourdough Spring
USGS Topo · 1:24,000
1967 · Kane Spring Gulch
USGS Topo · 1:24,000
1972 · Avery Creek
USGS Topo · 1:24,000
1972 · Keeney Ridge
USGS Topo · 1:24,000