I wish you would take a look at the boulevard spillway.
"Peter A Novel of Which He is Not the Hero"
F. Hopkinson Smith
They are, briefly, the construction of the Gatun dam and its spillway.
"The Panama Canal and its Makers"
Vaughan Cornish
Some of the water from the spillway flows into that now, but its channel won't hold a hundredth part of the flood if the dam goes out.
"Tom Swift and his Giant Cannon or, The Longest Shots on Record"
Victor Appleton