The Columbia River corridor dominates this 2013 survey of the border between Washington and Oregon. The landscape is defined by the expansive waters of Lake Umatilla, where numerous landforms such as Telegraph Island, Blalock Islands, and Whitcomb Island punctuate the river channel. North of the water, the terrain rises toward Paterson Ridge and Canoe Ridge, marked by the seasonal drainage of Glade Cr. The presence of the Columbia Crest Winery Airport and the Sandpiper Farms Leveling Road indicates the specialized agricultural and industrial uses of this arid riverbank region. Transportation is anchored by Wa-14, which follows the northern shoreline, providing a link between the river's various channels, including the North Channel Columbia River and South Channel Columbia River.
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This is the sole edition of this map. No revisions or reprints were ever made.
1906 · Blalock Island
USGS Topo · 1:125,000
1908 · Blalock Island
USGS Topo · 1:125,000
1915 · Prosser
USGS Topo · 1:125,000
1917 · Prosser
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 · Canoe Ridge
USGS Topo · 1:24,000
1962 · Blalock Island
USGS Topo · 1:24,000