
The high plateau of Sherman County is defined here by a network of drainage systems feeding into the Deschutes River basin. Grass Valley serves as the primary hub, with its grid of streets such as SW Sharp St and S Mill St situated along the Us-97 corridor. The surrounding landscape is carved by numerous namesake coulees and ravines, including French Canyon, Macks Canyon, and the sprawling Finnegan Canyon. These landforms reveal the historic reliance on seasonal water management in this dryland wheat country, evidenced by the Buether Reservoir and the presence of Finnegan Cr.
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This is the sole edition of this map. No revisions or reprints were ever made.
1953 · The Dalles
USGS Topo · 1:250,000
1956 · The Dalles
USGS Topo · 1:250,000
1957 · The Dalles
USGS Topo · 1:250,000
1962 · Erskine
USGS Topo · 1:24,000
1962 · Summit Ridge
USGS Topo · 1:24,000
1962 · Sinamox
USGS Topo · 1:24,000
1962 · Grass Valley
USGS Topo · 1:24,000
1970 · Kent
USGS Topo · 1:24,000
1970 · Rosebush
USGS Topo · 1:24,000
1971 · Moro
USGS Topo · 1:24,000