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Publisher
Geological Survey (U.S.)
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Subject
Boundaries
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Institution
Stanford
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Place
Alabama
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Year
2000
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1. County Boundaries of the United States, 2000
2000. Geological Survey (U.S.). This polygon shapefile portrays the 2000 state and county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer ... Geological Survey (U.S.).