Search Constraints
You searched for:
Author
Cao, Changyong
Remove constraint Author: Cao, Changyong
Year
1800
Remove constraint Year: 1800
1 entry found
Search Results
1. Historical United States County Boundaries, 1800
1800. 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 1800. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.