1900. University of Minnesota. Minnesota Population Center. This boundary file contains historic county boundaries for which the U.S. Census Bureau tabulated data and was produced by the Minnesota Population... Minnesota Population Center.
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1700. Harvard Map Collection, Harvard Library, L'Isle, Guillaume de, 1675-1726, Loon, H. v., and Académie royale des sciences (France). This layer is a georeferenced raster image of the historic paper map entitled: L'Europe : dressée sur les observations de Mrs. del'Academie Royale ... Harvard Map Collection, Harvard Library.
2010. U.S. Census Bureau. Geography Division. This polygon data layer represents the 2010 TIGER/Line census metropolitan divisions for the United States. The TIGER/Line Files are shapefiles and...
2010. U.S. Census Bureau. Geography Division. This polygon data layer represents the 2010 TIGER/Line Census metropolitan statistical area/micropolitan statistical areas for the United States. T...
1995. Bureau of Transportation Statistics, (comp.). National Transportation Analysis Regions (NTAR) divide the U.S. into 89 areas that delineate the functional geography transportation demand. Bureau of Transportation Statistics.
1670. Harvard Map Collection, Harvard Library, Wit, Frederik de, and Deur, Abraham Jansz. This layer is a georeferenced raster image of the historic paper map entitled: Nova et accurata totius Europae descriptio. It was published by: F. ... Harvard Map Collection, Harvard Library.
2010. U.S. Census Bureau. Geography Division. This polygon data layer represents the 2010 TIGER/Line census places for the United States. The TIGER/Line Files are shapefiles and related databas...
2010. U.S. Census Bureau. Geography Division. This polygon data layer represents the 2010 TIGER/Line census state legislative district (SLD) lower chambers for the United States. The TIGER/Line...
2010. U.S. Census Bureau. Geography Division. This polygon data layer represents the 2010 TIGER/Line census state legislative district (SLD) upper chambers for the United States. The TIGER/Line...
1995. MaconUSA (Firm). This dataset is a polygon layer providing county-level boundary and total number of business establishments by Standard Industrial Classification (... MaconUSA.