You searched for: Author Geological Survey (U.S.) Remove constraint Author: Geological Survey (U.S.) Access Public Remove constraint Access: Public Place Alaska Remove constraint Place: Alaska Place Arizona Remove constraint Place: Arizona Year 1980 Remove constraint Year: 1980 Bounding Box 50.273438 19.12441 59.589844 28.748397 Remove constraint Bounding Box: 50.273438 19.12441 59.589844 28.748397
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.).