
Grand Coulee Dam and the sprawling waters of Franklin D Roosevelt Lake dominate the northern reaches of this mid-century survey. The landscape is a study in 1950s water management and agricultural expansion, evidenced by the Grand Coulee Equalizing Reservoir and the O'Sullivan Reservoir. These massive projects transformed the arid Lava plateaus and coulees, such as Moses Coulee and Grand Coulee, into a productive region connected by the Great Northern and Northern Pacific railroads.
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