HistoryQuest DC

The application, HistoryQuest DC, is an interactive GIS map that provides historical data on approximately 127,000 extant buildings in Washington, DC. The map offers several operational layers of information for the user including historic data on individual buildings, links to documentation on properties listed in the National Register of Historic Places, information on historic residential subdivisions, and the identification and boundaries of the L’Enfant Plan, and the city’s Squares, and Wards. The featured layer in the map—the Historical Data on DC Buildings—provides information from a variety of sources on original dates of construction, architects, owners and builders of the city’s historic buildings.  

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