Columbia River Basin Project: Dam Construction in the Pacific Northwest

Historical photographs of Columbia Basin Project and other dams constructed in the Pacific Northwest, 1933-1965

University of Idaho Library Digital Collections

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Esri World StreetMap Esri National Geo Esri Imagery Open Street Map

Leaflet Tiles © Esri — Source: Esri, DeLorme, NAVTEQ, USGS, Intermap, iPC, NRCAN, Esri Japan, METI, Esri China (Hong Kong), Esri (Thailand), TomTom, 2012

Columbia River Basin Project: Dam Construction in the Pacific Northwest

Man Stands Next To The Siphon (Construction of pipelines, syphons and tunnels)