1980 CENSUS TRACT RELATIONSHIP FILE, 1970 - 1980
$175 for 1 reel (6250 bpi)
Technical Documentation included
free with product - $10 when purchased separately
Data Development VI-32
Order from Customer Services, Bureau of
the Census, Washington, DC 20233 (Tel. 301-763-INFO(4636); FAX
301-457-3842)
Shows which 1970 Census Tracts codes changed for 1980 due
to creation of new tracts or redefinition.