
Grand Coulee Dam anchors the northern reaches of this landscape, where the Columbia River feeds into the expansive Franklin D Roosevelt Lake. The mid-century era is defined here by massive infrastructure projects, including the complex irrigation network of the West Canal and East Low Canal, which transformed the arid Sagebrush Flat and Bachelor Prairie. Military and industrial presence is prominent with the Ephrata Air Base and Larson Air Force Base situated near the growing hub of Ephrata.
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