Aerial oblique view of the Inner Harbor Navigation Canal between 1960-64,
after the entry to the Mississippi River-Gulf Outlet Channel had been enlarged (upper right), connecting to the inner harbor area (photo from the Army Corps of Engineers).
Uncredited photographer for US Army Corps of Engineers
US Army Corps of Engineers photo via "Preliminary Report on the Performance of the New Orleans Levee Systems in Hurricane Katrina" chapter 4 figure 4.30 at <a rel="nofollow" class="external autonumber" href="https://web.mst.edu/~rogersda/levees/Ch%204-HISTORY%20OF%20THE%20NEW%20ORLEANS%20FLOOD%20PROTECTION%20SYSTEM-5-20-06-embedded_figures.pdf">[1]</a>