% Immigration from Continents 1900-1990
Data from census.gov, maps by Claire Fienup.
Classes:
Classification:
1900 Immigration
% Immigrants from Continents in 19001930 Immigration
% Immigrants from Continents in 1930.
1960 Immigration
% Immigrants from Continents in 1960
1990 Immigration
% Immigrants from Continents in 1990