The history of St. Louis , Missouri from 1866 to 1904 was marked by rapid growth , and the population of St. Louis increased .
It became the fourth largest city in the United States after New York City .
The history of St. Louis , Missouri from 1866 to 1904 was marked by rapid growth , and the population of St. Louis increased so that it became the fourth largest city in the United States after New York City .