Telephone density and telephone company area data
By: [by] B. A. Hart [and] R. F. Martin.
Contributors: Martin, R. F., joint author.
Series: U.S. Dept. of Commerce. Office of Telecommunications. OT report 73-18
Publisher: U.S. Office of Telecommunications; for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1973
Place of publication: [Washington]
Language: eng
Number of pages: 11
Subjects: Telephone companies -- United States.
Notes: Includes bibliographical references.