
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.
193 named features on this map. Tap any name to fly to it.
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3 editions found
1899 · Methow
USGS Topo · 1:125,000
1901 · Chelan
USGS Topo · 1:125,000
1901 · Methow
USGS Topo · 1:125,000
1905 · Okanogan
USGS Topo · 1:125,000
1909 · Quincy
USGS Topo · 1:62,500
1910 · Quincy
USGS Topo · 1:62,500
1910 · Winchester
USGS Topo · 1:62,500
1911 · Red Rock
USGS Topo · 1:62,500
1912 · Moses Lake
USGS Topo · 1:62,500
1912 · Beverly
USGS Topo · 1:62,500