Centers of population for states and counties, 1950, 1960, and 1970.
Publisher: U.S. Dept. of Commerce, Social and Economic Statistics Administration, Bureau of the Census : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1974
Place of publication: Washington
Language: eng
Number of pages: 96
Subjects: United States -- Population.
Notes: Cover title.