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You searched for: Author Geological Survey (U.S.) Remove constraint Author: Geological Survey (U.S.) Subject Administrative and political divisions Remove constraint Subject: Administrative and political divisions Place United States Remove constraint Place: United States Year 1972 Remove constraint Year: 1972
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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.).