Search Constraints
You searched for:
Author
Cao, Changyong
Remove constraint Author: Cao, Changyong
Author
Otterstrom, Samuel
Remove constraint Author: Otterstrom, Samuel
Subject
Boundaries
Remove constraint Subject: Boundaries
Place
Connecticut
Remove constraint Place: Connecticut
Place
Florida
Remove constraint Place: Florida
Place
Georgia
Remove constraint Place: Georgia
Place
Missouri
Remove constraint Place: Missouri
Place
United States
Remove constraint Place: United States
Data type
Polygon
Remove constraint Data type: Polygon
Year
1840
Remove constraint Year: 1840
1 entry found
Search Results
1. Historical United States County Boundaries, 1840
1840. 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 1840. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.