Read it through once

The foreign tourist has never heard of these; there is no note of them in his books. They have sprung up in the night, while he slept. So new is this region, that I, who am comparatively young, am yet older than it is. When I was born, St. Paul had a population of three persons, Minneapolis had just a third as many. The then population of Minneapolis died two years ago; and when he died he had seen himself undergo an increase, in forty years, of fifty-nine thousand nine hundred and ninety-nine persons. He had a frog's fertility.