You searched for: Publisher Geological Survey (U.S.) Remove constraint Publisher: Geological Survey (U.S.) Place United States. Virgin Islands Remove constraint Place: United States. Virgin Islands Place Colorado Remove constraint Place: Colorado Place Alabama Remove constraint Place: Alabama Place Delaware Remove constraint Place: Delaware Year 1972 Remove constraint Year: 1972
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.).