PERCENT OF UNITED-STATES POPULATION RESIDING IN URBAN AREAS AND IN FARM AND NONFARM PORTIONS OF RURAL-AREAS, 1790-1990
Citation
PERCENT OF UNITED-STATES POPULATION RESIDING IN URBAN AREAS AND IN FARM AND NONFARM PORTIONS OF RURAL-AREAS, 1790-1990, Population index, 59(2), 1993, pp. 177-178