This historic 1936 zoning map was digitized and georeferenced to Washington, D.C. It is from the Washingtoniana Map Collection at the District of Columbia Public Library's DIG DC site. The 1936 map depicts the 1920 regulations amended to 1936 and was published for the DC Zoning Commission by Rufus Lusk. This map breaks the residential zone into six different categories regulating the type of housing allowed in an area. This map also includes regulations on residential lot occupancy. It is used in the Office of Zoning's Historic Web Viewer . More information this map and other content found on the DC Public Library DIG DC website .