Is This the First Time We See Earth?

This is the first mention of the word Earth. It's so far in the future the word has become corrupted. They reached the river, which was built up with some like steps leading down to where ships could be docked into it. He calls it a two chain wide expanse. There are 10 chains in a furlong if you've ever heard that term from nautical stuff. So we're talking about the river being about 120 feet wide.