1977 census of transportation.
Subtitle: Maryland.
Contributors: United States. Bureau of the Census.
Edition: Rev.
Publisher: U.S. Dept. of Commerce, Bureau of the Census; For sale by Supt. of Docs., U.S. G.P.O.
Published: 1979
Place of publication: Washington, D.C
Language: eng
Number of pages: 45
Subjects: Transportation -- Maryland -- Statistics.; Trucks -- Statistics.
Other titles: Truck inventory and use survey, Maryland.
Work titles: Census of transportation (1977)
Notes: "Issued October 1979."

"TC77-T-21."