Panorama showing excavation area on the east side, including conveyor carrying the spoil across Columbia River to... - NARA - 294059.jpg
en
Panorama showing excavation area on the east side, including conveyor carrying the spoil across Columbia River to... NARA 294059, 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, "Panorama showing excavation area on the east side, including conveyor carrying the spoil across Columbia River to the main line going to the waste pile in Rattlesnake Canyon, the east side conveyor under construction; a span of the 3,500 foot suspension bridge for the sand and gravel conveyor to the west side concrete mixing plant and the cellular type sheet steel west cofferdam. To the left of the mixing plant will be seen the area prepared for the west abutment."
commons
ja
コロンビア川を渡るコンベアを含む東側の掘削エリアを示すパノラマNARA 294059、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年、米国国立公文書館所蔵画像:もう1つは、「コロンビア川を渡った堆肥を運ぶコンベアを含む、東側の掘削エリアを示すパノラマ。建設中の東側コンベア、ラトルスネークキャニオンの廃棄物処理場に行くメインライン。3,500本に及ぶ。混成植物の左側には、西側に控える準備された地域が見えるだろう」と説明した。
commons_translated
overburden spoilage spoiled