You searched for: Author Geological Survey (U.S.) Remove constraint Author: Geological Survey (U.S.) Subject States Remove constraint Subject: States Institution Stanford Remove constraint Institution: Stanford Place Massachusetts Remove constraint Place: Massachusetts Place United States Remove constraint Place: United States Place Arkansas Remove constraint Place: Arkansas Format Shapefile Remove constraint Format: Shapefile 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.).