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WikiPedia: Youngstown, Ohio http://www.cleveland.com/community/plaindealer/ind... http://www.ysu.edu/mahoning_river/youngstown.htm http://factfinder2.census.gov/faces/nav/jsf/pages/... http://www.census.gov/popest/cities/files/SUB-EST2... http://www.census.gov/popest/cities/tables/SUB-EST... http://www.census.gov/population/estimates/metro_g... http://www.census.gov/population/www/estimates/met... http://web.archive.org/web/20080402204232/http://w... http://www.cityofyoungstownoh.org //tools.wmflabs.org/geohack/geohack.php?language=v...