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Start Over Resource Class Collections Subject Historical geography Bounding Box -180 -89.81531 180 89.456192

1. HUSCO 1790-1999

Collections Stanford University Public content
Louisiana State University (Baton Rouge, La.), Department of Geography and Anthropology. "Contains ArcView shapefile format county boundary files for the contiguous United States from each decade from 1790 through 1990 (also 1999). File... Geoscience.