title: The population in large urban concentrations in the United States, 1790-1980: a delineation using highly urbanized counties.
authors.affiliation: Population Division, U.S. Bureau of the Census, Suitland, Maryland 20233.
authors.forename: C
authors.initials: C
authors.lastname: Gibson
mesh_terms: D003625:Data Collection; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011158:Population Growth; D014481:United States; D014505:Urban Population