This polygon shapefile represents the major lakes within the United States at 1:5,000,000 scale. This layer is part of the 2014 ESRI Data and Maps collection for ArcGIS 10.2. U.S. Lakes (Generalized) provides a base map layer of major lakes of United States. ESRI. (2014). United States Lakes (Generalized), 1990-1992. ESRI. Available at: http://purl.stanford.edu/bd094kc8055