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You searched for: Author Otterstrom, Samuel Remove constraint Author: Otterstrom, Samuel Author Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology. Remove constraint Author: Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology. Subject Boundaries Remove constraint Subject: Boundaries Place United States Remove constraint Place: United States Place Georgia Remove constraint Place: Georgia Data type Polygon Remove constraint Data type: Polygon Year 1820 Remove constraint Year: 1820
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1. Historical United States County Boundaries, 1820

1820. Earle, Carville, Heppen, John, Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology., Otterstrom, Samuel, and Cao, Changyong. This polygon shapefile contains county boundaries for the United States in 1820. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.