
Tumalo Dam and the Upper Tumalo Reservoir anchor this High Desert landscape, where water management is the primary driver of development. The area is defined by an intricate network of irrigation infrastructure, including the Columbia Southern Canal, the Tumalo Feed Canal, and smaller waterways like the Plainview Ditch and Snow Cr Ditch. This reliance on channeled water is evident in the transition from the arid expanse of Bull Flat to the managed greenery of local estates.
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1926 · Bend
USGS Topo · 1:125,000
1929 · Bend
USGS Topo · 1:125,000
1929 · Three Sisters
USGS Topo · 1:125,000
1932 · Three Sisters
USGS Topo · 1:125,000
1955 · Bend
USGS Topo · 1:250,000
1957 · Bend
USGS Topo · 1:250,000
1958 · Bend
USGS Topo · 1:250,000
1959 · Broken Top
USGS Topo · 1:62,500
1959 · Sisters
USGS Topo · 1:62,500
1962 · Bend
USGS Topo · 1:24,000