Construction Workers Inside Dam Tunnel

(Original Caption) View of Hoover Dam Tunnel. The concreting of the 50-foot tunnels, and the interstices surrounding rock adjacent to the three foot thick concrete lining is shown with a neat cement gout under high pressure. [?] This recent photo shows the grouting process in operation in Diversion Tunnel No. 4, through which the Colorado River will be diverted during the latter part of November. (Photo by George Rinhart/Corbis via Getty Images)
(Original Caption) View of Hoover Dam Tunnel. The concreting of the 50-foot tunnels, and the interstices surrounding rock adjacent to the three foot thick concrete lining is shown with a neat cement gout under high pressure. [?] This recent photo shows the grouting process in operation in Diversion Tunnel No. 4, through which the Colorado River will be diverted during the latter part of November. (Photo by George Rinhart/Corbis via Getty Images)
Construction Workers Inside Dam Tunnel
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來源:
George Rinhart / Contributor
編輯性內容編號：
530838652
圖像集:
Corbis Historical
建立日期：
1900年01月01日
上傳日期：
授權類型：
權利管理
發佈資訊:
無許可授權 更多資料
來源：
Corbis Historical
物件名稱：
vv13535.jpg
最大檔案大小：
3983 x 3081 像素 (33.72 x 26.09 cm) - 300 dpi - 6 MB