The Niagara of Chicago

The ground was frozen and they were going absolutely nowhere. They bring in a dredge, which also goes nowhere. So they go get some dynamite. Which is a dud. It doesn't look very promising. A couple hours later, it's like 10 in the morning now. The dredge gets to where it can just get one good scoop and it grabs it. Bam, everyone's shouting,. it is open, it is open. Water starts dropping into the canal, 24 feet straight down and away it goes. Almost there. But there's still one last dam to open, a bit down the river, which needed the governor's okay. And once the gate was open,