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Author
Otterstrom, Samuel
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Geoscience Publications
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Institution
Stanford
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California
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Place
United States
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Data type
Polygon
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Year
1930
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1. Historical United States County Boundaries, 1930
1930. 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 1930. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.