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 Tape address register (TAR) For the 1970, 1980, and 1990 decennial censuses, a computerized list of residential addresses created from a commercial mailing list and post office check. The extent of this file was restricted to the areas covered by the ACGs (for the 1970 census), the GBF/DIME Files (for the 1980 census), and the TIGER data base (for the 1990 census). The address information was supplemented by field-listed addresses that the lister geocoded because the computer could not geocode them.

TAR See tape address register.

TAZ See traffic analysis zone.

TDSA See tribal designated statistical area.

TIGER The acronym for Topologically Integrated Geographic Encoding and Referencing System. See also TIGER data base, TIGER System.

TIGER data base A computer file that contains geographic information representing the position of roads, rivers, railroads, and other census-required map features; the attributes associated with each feature, such as feature name, address ranges, and class codes; the position of the boundaries for those geographic areas that the Census Bureau uses in its data collection, processing, and tabulation operations; and the attributes associated with those areas, such as their names and codes. This file is stored in multiple partitions, such as by counties or groups of counties, although it represents all U.S. space (including Puerto Rico, and the Outlying Areas) as a single seamless data inventory. See also Geographic Support System, TIGER System.

TIGER File See TIGER data base.

TIGER System The TIGER data base plus the specifications, procedures, computer programs, and related source (input) materials required to build and use it. It also includes the specifications, procedures, and computer GlossaryG-49