The river goeth into the sea...

"Put me Back in the Water" - about an Eskimo kid who makes a little boat

That would be based on Paddle-to-the-Sea, a great mid-century kid's book by Holling Clancy Hollings, if I remember his name right. In the book, the Native American kid lives to the north of Lake Superior near Lake Nipigon, so it makes sense that the boat could eventually hit the Atlantic...

Frank Black's "St. Francis Dam Disaster" is about the disaster of the same name, which took place in California in 1928, in which the St. Francis Dam crumbled, releasing a 140-ft high wall of water which swept over a number of towns, killing almost 500, before it reached the Pacific Ocean, 53 miles away. As Frank sings it, "That water seeks her own."

Thanks Ned