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The core mission of SEGS is to provide a single point of ownership for geospatial datasets that are national in extent and of general use to all EPA users and to make those datasets available through channels that best meet user needs.Terms of UseAccess Constraint: None (Public Domain Information) Use Constraint: None (Public Use) Use limitations: No warranty, expressed or implied is made with regard to the accuracy of these data, and no liability is assumed by the U.S. Government in general or the U.S. Census Bureau in specific as to the spatial or attribute accuracy of the data. The act of distribution shall not constitute any such warranty and no responsibility is assumed by the U.S. government in the use of these files. The TIGER/Line Shapefile products are not copyrighted however TIGER/Line and Census TIGER are registered trademarks of the U.S. Census Bureau. 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