"Water breaking through earth and rock fill dike at outlet portal of diversion tunnel No. 2 during flash flood of... - NARA - 293727.jpg
en
"Water breaking through earth and rock fill dike at outlet portal of diversion tunnel No. 2 during flash flood of... NARA 293727, Diversion tunnels, Construction of the Hoover Dam, US National Archives series: Photograph albums, compiled 1903 - 1972, Images from the National Archives and Records Administration, US National Archives location: other, "Water breaking through earth and rock fill dike at outlet portal of diversion tunnel No. 2 during flash flood of August 31, 1932."
commons
ja
「土砂崩れと岩盤崩れの水害 流出出口 道2号濫中...」NARA 293727、陽動トンネル、フーバーダムの建設、米国国立公文書館シリーズ:写真アルバム、1903-1972、米国国立公文書記録管理局画像、米国国立公文書館所在地:「1932年8月31日の鉄砲水による浸水による土砂崩れと岩壁の浸水。」
commons_translated
flash flood record-breaking break through