Number of workers commuting in and percent of workers commuting out by county, 1970
By: prepared by Geography Division in cooperation with Population Division, Bureau of the Census
Series: United States maps, GE-50 ; 67; United States maps -- 67.
Publisher: U.S. Dept. of Commerce, Bureau of the Census : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1975
Place of publication: Washington
Language: eng
Subjects: Working class -- United States -- Maps.; Labor movement -- United States -- Maps.; Labor -- United States -- Maps.; Commuting -- United States -- Maps.
Genres: Maps.
Notes: Scale 1.5,000,000 or 1 inch to 90 miles

Inset: [Alaska] on reduced scale 1:10,000,000

Inset: [Hawaiian Islands]

Based on 1970 Census subject report PC (2)-6D, Journey to work, and unpublished 1970 census data

Definitions of SMSA's from Office of Budget and Management, Executive of the President [sic], February 1971