
The John Day River and its multiple forks define this 1980 landscape in central Oregon, where the high-desert terrain meets the timbered slopes of the Umatilla National Forest and Malheur National Forest. Small, established settlements like Monument, Hamilton, and Ritter serve as hubs for the surrounding ranching and timber country. The map captures a network of spring-fed high country, including Wilson Prairie and Sunflower Flat, which supplied essential water to livestock and wildlife in a region marked by significant elevation changes. Historical resource extraction and land management are evident through features like the Cohoe Mine and the Monument Lookout. The complex topography is punctuated by prominent landmarks such as Courthouse Rock and Hamilton Mountain, while the boundaries of Wheeler and Grant counties divide the central plateaus and river canyons.
55 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.
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