Description: Shows dates that states of Indiana, Maryland, Ohio, Pennsylvania, Washington D.C., and West Virginia were admitted to the Union. Place Names: Demographics, Ohio, West Virginia, Virginia, Kentucky, Pennsylvania, Indiana, populatio ISO Topic Categories: oceans,
inlandWaters,
location Keywords: The Center of Population in the United States, physical, historical, physical features, historical event, oceans,
inlandWaters,
location, Unknown, 1790–1900 Source: Henry Wark, ed. , Wark's Modern Educator (New York, NY: Henry Wark, 1904) 64 Map Credit: Courtesy the private collection of Roy Winkelman |
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