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You searched for: Author Cao, Changyong Remove constraint Author: Cao, Changyong 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. Publisher Geoscience Publications Remove constraint Publisher: Geoscience Publications Place Connecticut Remove constraint Place: Connecticut Place Illinois Remove constraint Place: Illinois Year 1790 Remove constraint Year: 1790
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1. Historical United States County Boundaries, 1790

1790. 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 1790. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.