Eastern Slovakia
Czech, Bohemian and Moravian Genealogical Research
Czechs per Square Mile
1990 Census United States Census
Czechs per square mile in the United States based on the number of individuals listing CZECH as their First Ancestry in the United States Census of 1990.
The US Census site great site for teachers to use for class studies on family history or social studies. The maps are available down to the county detail level for all 50 states.
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