You searched for: Author Geological Survey (U.S.) Remove constraint Author: Geological Survey (U.S.) Subject Counties Remove constraint Subject: Counties Subject Boundaries Remove constraint Subject: Boundaries Place New Jersey Remove constraint Place: New Jersey Place Delaware Remove constraint Place: Delaware Place Alaska Remove constraint Place: Alaska 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.).