
The confluence of the Tucannon River and Pataha Creek anchors this section of southeastern Washington, where the Union Pacific railroad tracks trace the valley floor through Delaney. This landscape is defined by the dramatic descent from the high Camas Prairie plateau into the deep canyons of the Snake River, now widened into Lake Bryan. The presence of a Grain Elevator at the rail siding in Delaney and the Ridpath siding further north highlights the agricultural infrastructure necessary for transporting dryland wheat from the surrounding hills to the river terminals. Numerous named ravines, such as Flagpole Gulch, Browns Gulch, and Hanger Gulch, carve the terrain, illustrating the complex drainage patterns feeding into the main river systems. Small-scale aviation and industrial activity are evident at the Little Goose Landing Strip and various scattered Quarry sites.
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1919 · Walla Walla
USGS Topo · 1:125,000
1921 · Walla Walla
USGS Topo · 1:125,000
1937 · Pomeroy
USGS Topo · 1:96,000
1942 · Pomeroy
USGS Topo · 1:125,000
1948 · Starbuck
USGS Topo · 1:62,500
1950 · Starbuck
USGS Topo · 1:62,500
1950 · Hay
USGS Topo · 1:62,500
1952 · Hay
USGS Topo · 1:62,500
1953 · Walla Walla
USGS Topo · 1:250,000
1955 · Pullman
USGS Topo · 1:250,000