D.C. Office of the Chief Technology OfficerDistrict of Columbia Single Member District (SMD) boundaries. This dataset contains lines representing advisory neighborhood commission (ANC) single member districts (SMDs) in 1990. The data was created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer (OCTO) and participating D.C. government agencies. ANC SMDs were identified from public records, including published maps and written legal descriptions and heads-up digitized from 1995/1999 orthophotographsArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/89ad93052a794f81972bce9ad134db8d_23engOpen Data DCPublicSingle Member District from 1990 [District of Columbia--Washington]Web servicesDistrict of Columbia--WashingtonDistrict of Columbia1990