Title: Preliminary inventory of the records of the Bureau of Public Roads
Subtitle: (Record Group 30)
First published: 1962
Subjects: United States, United States. Bureau of Public Roads, Catalogs, Archives, Manuscripts, United States. Office of Road Inquiry, United States. Office of Public Road Inquiries, United States. Office of Public Roads, United States. Office of Public Roads and Rural Engineering, United States. Public Roads Administration
LC classification: CD3026 .A32 no. 134