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Start Over You searched for: Year 2001 Remove constraint Year: 2001 Resource Class Datasets Remove constraint Resource Class: Datasets Subject Metropolitan areas Remove constraint Subject: Metropolitan areas

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2001. National Atlas of the United States, Environmental Systems Research Institute (Redlands, Calif.), and Geological Survey (U.S.). This polygon shapefile represents urban areas in the United States derived from the urban areas layer of the Digital Chart of the World (DCW). Data... Environmental Systems Research Institute (Redlands, Calif.).
2001. Geological Survey (U.S.). This data set includes a selection of urban areas in the United States derived from the urban areas layer of the Digital Chart of the World (DCW). ... Geological Survey (U.S.).