A portion of the 60-inch 1-1-2 mile long belt conveyor in the near foreground, the 3,000 ft. cellular steel... - NARA - 293983.jpg
en
A portion of the 60 inch 1 1 2 mile long belt conveyor in the near foreground, the 3,000 ft. cellular steel... NARA 293983, 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 portion of the 60-inch 1-1/2 mile long belt conveyor in the near foreground; the 3,000 ft. cellular steel cofferdam; the cross-river conveyor carrying material from the east side excavation to the main line conveyor on the west side; behind the cofferdam in the center of the picture, and between the two cell clusters, can be seen the new cells that will tie the cluster cells to the ends of the first block of concrete in the Grand Coulee Dam."
commons
ja
前景近くの60インチ1 1 2マイルの長さのベルトコンベアの一部、3,000フィートのセルラースチール...NARA 293983、グランドクーリーダムの建設、アメリカのデジタル公共図書館ファイル、米国国立公文書館シリーズ:写真アルバム、1903-1972年、米国国立公文書館所蔵画像:もう1つ、前景近くの60-inch 1-1/2マイルの長さのベルトコンベアの一部。3,000フィートのセルラー鋼製コファーダム。東側掘削から西側の本線コンベアへの材料を運ぶクロスリバーコンベア。 b
commons_translated
below the belt cellular