Search Constraints
You searched for:
Author
Geological Survey (U.S.)
Remove constraint Author: Geological Survey (U.S.)
Place
United States
Remove constraint Place: United States
Place
Alaska
Remove constraint Place: Alaska
Data type
Polygon
Remove constraint Data type: Polygon
Year
1972
Remove constraint Year: 1972
1 entry found
Search Results
1. State Boundaries of the United States, 2005
1972. Geological Survey (U.S.). This polygon shapefile portrays the state boundaries of the United States, and the boundaries of Puerto Rico and the U.S. Virgin Islands. The map l... Geological Survey (U.S.).