The Columbia River dominates this landscape where it cuts through the dramatic basalt formations of the Wallula Gap. This reach of the river serves as a critical transportation corridor, marked by industrial hubs like the Port of Walla Walla and Port Kelley. The confluence with the Walla Walla River near Wallula Junction highlights the importance of water access for regional commerce, while the Madame Dorion Bridge provides a vital link across the waterway.
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This is the sole edition of this map. No revisions or reprints were ever made.
1908 · Umatilla
USGS Topo · 1:125,000
1915 · Wallulah
USGS Topo · 1:96,000
1917 · Pasco
USGS Topo · 1:125,000
1918 · Wallula
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
1962 · Juniper
USGS Topo · 1:24,000