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Cao, Changyong
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Author
Heppen, John
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Author
Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology.
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Restricted
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Counties
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Illinois
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Year
1830
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1 entry found
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1. Historical United States County Boundaries, 1830
1830. 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 1830. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.