
Ochoco National Forest dominates the upper half of this landscape, where the high desert terrain of Central Oregon transitions between prominent ridges and seasonal water sources. The map provides a detailed look at the drainage patterns of the N Fork Chickahominy Cr and Ryegrass Cr, revealing a network of springs essential for livestock and wildlife in this arid environment. Named points of interest like Gibbons Mill Canyon suggest the area's history of timber or milling, while Spencers Waterhole and North Sheep Lake mark the scattered catchments critical to high-plateau life. The boundary between Crook and Harney counties bisects the terrain, crossing over Bulger Ridge and through the lower reaches of Jacks Cr. From the heights of Buck Mountain to the expanse of Ryegrass Flat, the map records a workspace of ridges and flats shaped by water management and natural topography.
34 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 · Burns
USGS Topo · 1:250,000
1958 · Burns
USGS Topo · 1:250,000
1959 · Burns
USGS Topo · 1:250,000
1961 · Delintment Lake
USGS Topo · 1:62,500
1981 · Hat Butte
USGS Topo · 1:24,000
1981 · Mackey Butte
USGS Topo · 1:24,000
1981 · Potato Hills
USGS Topo · 1:24,000
1981 · Dust Bowl
USGS Topo · 1:24,000
1981 · Bulger Ridge
USGS Topo · 1:24,000
1981 · Camp Currey Spring
USGS Topo · 1:24,000