Cable cars (Streetcars)
Photos and maps from the 1944 Transportation Survey and Plan for the Central Area of Washington, D.C.
District Department of Transportation
October 1, 1944
J.E. Greiner Company and De Leuw, Cather & Company Consulting Engineers
District Department of Transportation, “Streetcar Subways,” DDOT Historic Collections, accessed October 16, 2021, https://ddotlibrary.omeka.net/items/show/247.