Once a district is selected, with or without an overlay, clicking on an outlined area will identify that area at the district, county, municipal or school district level.
NOTE: Historical maps included here are provided for informational and illustrative purposes only. Over time, some municipal and ward boundaries may have changed.
Keyhole Markup Language (KML) is a file format used to display geographic data in an earth browser, such as Google Earth, Google Maps, and Google Maps for mobile. A KML file is processed in much the same way that HTML (and XML) files are processed by web browsers. Like HTML, KML has a tag-based structure with names and attributes used for specific display purposes. Thus, Google Earth and Maps act as browsers for KML files.
The Esri Shapefile or simply a shapefile is a popular geospatial vector data format for geographic information systems software. It is developed and regulated by Esri as a (mostly) open specification for data interoperability among Esri and other software products.