D.C. Office of the Chief Technology OfficerProposed boundaries of the State of Washington DC and Federal District as approved by DC Council on October 18, 2016. A revised version of this boundary was created by legislation passed by the US House of Representatives in 2020. The dataset contains locations and attributes of Federal District boundary.ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/2d8e226d360d4149885ecae90bbdb7a0_49engOpen Data DCPublicProposed Capital Boundary - 2016 [District of Columbia--Washington]Web servicesDistrict of Columbia--WashingtonDistrict of Columbia2016