You searched for: Publisher Geological Survey (U.S.) Remove constraint Publisher: Geological Survey (U.S.) Access Public Remove constraint Access: Public Institution Stanford Remove constraint Institution: Stanford Place Massachusetts Remove constraint Place: Massachusetts Place Arizona Remove constraint Place: Arizona Place Colorado Remove constraint Place: Colorado Data type Polygon Remove constraint Data type: Polygon Year 1980 Remove constraint Year: 1980
1980. Geological Survey (U.S.). This polygon shapefile contains the 1980 state and county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer ... Geological Survey (U.S.).