United States County Boundary Files, 1820
- Author(s):
- Louisiana State University (Baton Rouge, La.).; Dept. of Geography and Anthropology., Earle, Carville., Heppen, John., and Otterstrom, Samuel.
- Description:
- The Historical United States County Boundary Files 1820 contains ArcView shapefile format U.S. county boundary files for 1820. Files include county and state names and FIPS identification numbers.
- Place(s):
- United States
- Year:
- 1999 and 1820
- Held by:
- Columbia