A new GIS mapping system will be a complete electronic record of every water line, building, and major infrastructure piece ...

General overview, how to use map navigation and tools and tips and tricks for finding the information you want. Public Data Access Sites: GIS HUB, land s ...

A geographic information system, as organizer Ariann Nassel explained, “is both a technology and a science.” The technology “is designed to work with the complexities of location-based data, connect ...

D.C.'s Snow Response Reporting System lets users type in an address and see which surrounding streets have been plowed or salted within a specified date range. A mapping tool that shows which streets ...