Search Constraints
You searched for:
Author
Otterstrom, Samuel
Remove constraint Author: Otterstrom, Samuel
Subject
Boundaries
Remove constraint Subject: Boundaries
Subject
Counties
Remove constraint Subject: Counties
Place
United States
Remove constraint Place: United States
Data type
Polygon
Remove constraint Data type: Polygon
« Previous |
21 - 21 of 21
|
Next »
Search Results
21. Historical United States County Boundaries, 1990
1990. 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 1990. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.
- « Previous
- Next »
- 1
- 2
- 3