
Drewsey sits at the heart of this high-desert landscape in Harney County, where the Malheur River flows through a basin defined by ranching and irrigation history. The reliance on water management is evident through an extensive network of man-made waterways, including the Drewsey Reclamation Company Ditch, Miller Ditch, and Sitz Ditch, which redirect flows to support agricultural life in the Drewsey Valley. These systems connect the river to outlying areas like Kimball Flat, illustrating the complex engineering required to sustain settlements in this arid region.
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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
1968 · Drewsey
USGS Topo · 1:62,500
1968 · Van
USGS Topo · 1:62,500
1973 · Upton Mountain
USGS Topo · 1:24,000
1977 · Bartlett Mtn
USGS Topo · 1:24,000
1978 · Stinkingwater Pass
USGS Topo · 1:24,000
1978 · Stinkingwater Mountains
USGS Topo · 1:100,000
1990 · Otis Mountain
USGS Topo · 1:24,000