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Malheur-Owyhee Upland
region, Oregon, United States
Learn about this topic in these articles:
physiography of Oregon
- In Oregon: Relief and drainage
The Malheur-Owyhee Upland of southeastern Oregon is generally a high, warped plateau. It contains older lava and has been more eroded than the High Lava Plains. The major drainage system, the Owyhee River, has incised several notable canyons in an area locally called the Rimrock Country.…
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