1. District of Columbia, Highways and Railroads Identifier: CAC_CC_053_4_0000_1_52 Contributing Institution: Carl Albert Congressional Research and Studies Center, University of Oklahoma, Norman, OK Collection: John William "Elmer" Thomas Collection Title: District of Columbia, Highways and Railroads Date: 1920-01-01 Creator: unknown Topic: Transportation--United States, Land use--Planning Congress: 66th (1919-1921)