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United States. Bureau of the Census. . 1970 census of population and housing. Census tracts. [Washington; For sale by the Supt. of Docs., U.S. Govt. Print. Off.] 1971-
Call#: Van Pelt Library HA201 1970 .A542
Call#: Van Pelt Library HA201 1970 .A542
Many of the reports are online at http://www.census.gov/prod/www/abs/decennial/1970.htm