IMPORTANT! This layer has been created and maintained for TxDOT-specific purposes only - primarily for use in the Geospatial Roadway Inventory Database (GRID). This layer is not the authoritative sour
This city boundary shapefile was extracted from Esri Data and Maps for ArcGIS 2014 - U.S. Populated Place Areas. This shapefile can be joined to 500 Cities city-level Data (GIS Friendly Format) in a g
CDC Chronic Disease Data and Surveillance2024-10-17 更新10