Photograph with 2 captions, (1) "Improvement of the Mississippi River between the Illinois and Ohio Rivers" and (2)... - NARA - 282327.jpg
en
Photograph with 2 captions, (1) "Improvement of the Mississippi River between the Illinois and Ohio Rivers" and (2)... NARA 282327, Technology in the 1880s, Dam construction in the United States, United States Army Corps of Engineers, 1882 in the United States, Water transport on the Mississippi River, US National Archives series: Photographs of Improvement Projects on Mississippi River between the Illinois and Ohio Rivers, compiled 09/1882 - 11/1882, Images from the National Archives and Records Administration, Photograph with 2 captions: (1) "Improvement of the Mississippi River between the Illinois and Ohio Rivers" and (2) "Details of Construction. Negative 32. Taken Oct. 21, 1882. View of a complete secondary hurdle, showing the method of wattling and bracing and the completed foundation mattress--the details of the bottom grillage of which were shown in No. 28. The river having fallen after its construction left it in sight."
commons
ja
2つのキャプションの写真(1)イリノイ川とオハイオ川の間のミシシッピ川の改善」と(2)NARA 282327、1880年代の技術、米国のダム建設、アメリカ陸軍工兵隊、1882年のアメリカ、ミシシッピ川の水運、米国国立公文書館シリーズ:イリノイ川とオハイオ川の間のミシシッピ川の改良プロジェクトの写真、編集09/1882-11/1882、国立公文書記録管理局の画像、2つのキャプションを含む写真。マイナス32。明治15年8月21日、貴族院議員に当選。28番に表示された底グリルの詳細。ワットリングとブレーキングの方法と完成した基礎マットレスを示す完全な二次ハードル。工事が終わって川が落ちて見えなくなった」と書き残している。
commons_translated
illinois river improvable improvement augmentation improving