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|Access to Files:||Data and Documentation|
|Title:||Census CD Neighborhood Change Database (NCDB) 1970-2000 US Census Tract Data|
|Abstract:||The Neighborhood Change Database contains nation-wide tract-level data from the 1970, 1980,1990 and 2000 decennial censuses, combined into one easy -to-use product. It is literally the only source of census data with variables and tract boundaries that are consistently defined across census years.|