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Start Over Subject Counties Year 2005 Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. County Boundaries of the United States, 1990

Datasets Stanford University Public content
2005. Geological Survey (U.S.). This polygon shapefile portrays the 1990 state and county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer ... Geological Survey (U.S.).