A general view looking west across the damsite - east excavation pit with conveyor feeder in foreground, cofferdams... - NARA - 294161.jpg
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A general view looking west across the damsite east excavation pit with conveyor feeder in foreground, cofferdams... NARA 294161, Cofferdams, Construction of the Grand Coulee Dam, Digital Public Library of America files, US National Archives series: Photograph albums, compiled 1903 - 1972, Images from the National Archives and Records Administration, US National Archives location: other, "A general view looking west across the damsite - east excavation pit with conveyor feeder in foreground, cofferdams on both sides of river, conveyor bridge crossing river and main conveyor leading up the hill to spoil dump in Rattlesnake Canyon, also the Westmix concrete plant, placing trestles and aggregate conveyor on suspension span to the right."
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ja
ダムサイト東の掘削坑を西を見る一般的な景色。前景の荷運び機がある。NARA 294161、コッファーダム、グランドクーリーダムの建設、デジタル公共図書館のファイル、米国国立公文書館シリーズ:写真アルバム、1903-1972、米国国立公文書館管理局からの画像、米国国立公文書館の位置:他の「ダムサイトを西に望む一般的な景色-東の掘削穴、前景のコンベア、川の両側のコファーダム、川とメインコンベヤーの渡河、丘につながるコンベヤーの砂利
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