1972 census of transportation
Subtitle: national travel survey. Travel during 1972.
Publisher: for sale by the Supt. of Docs., U.S. Govt. Print. Off.]
Published: 1973
Place of publication: [Washington
Language: eng
Number of pages: 130
Subjects: Transportation -- United States -- Statistics.
Other titles: National travel survey.; Travel during 1972.
Notes: "TC72-N3."