The article presents comments on the article "American Metropolitan Evolution," originally published in 1967 by the urban geographer John Borchert. Details are given overviewing the thesis and research of the paper, focusing on its discussion of the organizational structure of the four "epochs" of urban development in U.S. history. Discussion is offered explaining the significance of the 1967 paper. The author also highlights the influence which the article had on his own research and of the field at large over 40 years.