
Ketchum Ranch sits at the heart of this high-elevation landscape in north-central Oregon, where the headwaters of numerous creeks carve through the ridges. The terrain is defined by prominent basaltic features and flats, including Woods Backbone, Smith Ridge, and Breeds Flat. Water management is central to the area's history, evidenced by Ketchum Reservoir and its associated Ketchum Dam, along with several livestock-oriented basins like Sky Ranch Reservoir Number Three. Numerous named springs, such as Old Schoolhouse Spring and Schoolman Spring, point to the essential water sources that sustained early settlers and ranchers in this arid backcountry. The map also traces a network of timber and ranch roads, including Hedges Grade and Mill Creek Rd, which navigate the complex drainage systems of Mosier Creek and North Fork Mill Creek.
51 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.
1924 · Mount Hood
USGS Topo · 1:125,000
1926 · Hood River
USGS Topo · 1:125,000
1927 · Mount Hood
USGS Topo · 1:125,000
1929 · Hood River
USGS Topo · 1:125,000
1930 · Dufur
USGS Topo · 1:125,000
1934 · Dufur
USGS Topo · 1:125,000
1934 · The Dalles
USGS Topo · 1:125,000
1953 · The Dalles
USGS Topo · 1:250,000
1956 · The Dalles
USGS Topo · 1:250,000
1957 · The Dalles
USGS Topo · 1:250,000