
The Little Walla Walla River and Walla Walla River branches define this productive agricultural corridor at the base of the Blue Mountain foothills. The landscape is characterized by an extensive network of irrigation and drainage features, including the Hudson Bay Canal and several gravel pits, supporting the region's long-standing orchard and farming economy. In the northern reaches, the Walla Walla Valley transitions into the hills where the Union Pacific railroad tracks follow the course of Dry Creek.
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2 editions found
1915 · Wallulah
USGS Topo · 1:96,000
1918 · Wallula
USGS Topo · 1:125,000
1919 · Walla Walla
USGS Topo · 1:125,000
1921 · Walla Walla
USGS Topo · 1:125,000
1935 · Pendleton
USGS Topo · 1:125,000
1953 · Pendleton
USGS Topo · 1:250,000
1953 · Walla Walla
USGS Topo · 1:250,000
1956 · Pendleton
USGS Topo · 1:250,000
1958 · Walla Walla
USGS Topo · 1:250,000
1964 · Milton-Freewater
USGS Topo · 1:24,000