You searched for: Subject Counties Remove constraint Subject: Counties Place Florida Remove constraint Place: Florida Place Delaware Remove constraint Place: Delaware Place Alaska Remove constraint Place: Alaska 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.).