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History
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Construction of high voltage line
Construction of high voltage line
Power pole under construction, 1927
Power pole under construction, 1927
High voltage transmission right-of-way cleared for construction
High voltage transmission right-of-way cleared for construction
Linemen installing high-voltage insulators
Linemen installing high-voltage insulators
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Spillway structure
Spillway structure
Bonneville Lock & Dam, 1937
Bonneville Lock & Dam, 1937
Bonneville Dam, 1938
Bonneville Dam, 1938
Bonneville Lock, 1938
Bonneville Lock, 1938