1999. Louisiana State University (Baton Rouge, La.).; Dept. of Geography and Anthropology., Earle, Carville., Heppen, John., and Otterstrom, Samuel. The Historical United States County Boundary Files 1860 contains ArcView shapefile format U.S. county boundary files for 1860. Files include county...
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1999. Louisiana State University (Baton Rouge, La.).; Dept. of Geography and Anthropology., Earle, Carville., Heppen, John., and Otterstrom, Samuel. The Historical United States County Boundary Files 1870 contains ArcView shapefile format U.S. county boundary files for 1870. Files include county...
1999. Louisiana State University (Baton Rouge, La.).; Dept. of Geography and Anthropology., Earle, Carville., Heppen, John., and Otterstrom, Samuel. The Historical United States County Boundary Files 1880 contains ArcView shapefile format U.S. county boundary files for 1880. Files include county...
1999. Louisiana State University (Baton Rouge, La.).; Dept. of Geography and Anthropology., Earle, Carville., Heppen, John., and Otterstrom, Samuel. The Historical United States County Boundary Files 1890 contains ArcView shapefile format U.S. county boundary files for 1890. Files include county...
1999. Louisiana State University (Baton Rouge, La.).; Dept. of Geography and Anthropology., Earle, Carville., Heppen, John., and Otterstrom, Samuel. The Historical United States County Boundary Files 1900 contains ArcView shapefile format U.S. county boundary files for 1900. Files include county...
1999. Louisiana State University (Baton Rouge, La.).; Dept. of Geography and Anthropology., Earle, Carville., Heppen, John., and Otterstrom, Samuel. The Historical United States County Boundary Files 1910 contains ArcView shapefile format U.S. county boundary files for 1910. Files include county...
1999. Louisiana State University (Baton Rouge, La.).; Dept. of Geography and Anthropology., Earle, Carville., Heppen, John., and Otterstrom, Samuel. The Historical United States County Boundary Files 1920 contains ArcView shapefile format U.S. county boundary files for 1920. Files include county...
1999. Louisiana State University (Baton Rouge, La.).; Dept. of Geography and Anthropology., Earle, Carville., Heppen, John., and Otterstrom, Samuel. The Historical United States County Boundary Files 1930 contains ArcView shapefile format U.S. county boundary files for 1930. Files include county...
1999. Louisiana State University (Baton Rouge, La.).; Dept. of Geography and Anthropology., Earle, Carville., Heppen, John., and Otterstrom, Samuel. The Historical United States County Boundary Files 1940 contains ArcView shapefile format U.S. county boundary files for 1940. Files include county...
1999. Louisiana State University (Baton Rouge, La.).; Dept. of Geography and Anthropology., Earle, Carville., Heppen, John., and Otterstrom, Samuel. The Historical United States County Boundary Files 1950 contains ArcView shapefile format U.S. county boundary files for 1950. Files include county...