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Archive of Census Related Products
(ACRP): 1992 Boundary Files
The 1992 Boundary Files portion of the Archive
of Census Related Products (ACRP) consists of 1992 boundary
data from the U.S. Census Bureau's Topologically Integrated
Geographic Encoding and Referencing (TIGER) system. The data
have been processed to create the state boundary files for
county, county subdivision (mcd), place, 1990 tract/block
numbering area, blockgroup, and 1980 tract and mcd's (if available).
The tract and blockgroup files are grouped by MSA (Metropolitan
Statistical Area) and CMSA (Consolidated Metropolitan Statistical
Area). County boundary files have also been created for each
census block, distinguished by its unique POLygon IDentification
(POLID) field, matching the corresponding POLID in the 1990
Summary Tape File (STF) data. This portion of the ACRP is
produced by the Columbia University Center for International
Earth Science Information Network (CIESIN).
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