Urban-rural migration in the United States: a symposium.
D000569:Americas; D003226:Congresses as Topic; D003710:Demography; D019049:Developed Countries; D004641:Emigration and Immigration; D009656:North America; D011153:Population; D011157:Population Dynamics; D014481:United States
Americas; Conferences And Congresses; Demographic Factors; Developed Countries; Migration; North America; Northern America; Population; Population Dynamics; Rural-urban Migration; United States