168. This polygon layer represents block boundary, 2000 in Arlington County, VA.
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168. 1990 Census Block Group Boundaries. The data fields description is available CENSUS1990_TBLKGRP_FIELDS table for the data fields description.
168. This polygon layer represents Blockgroup boundary 2000, Arlington County, VA. The definition of table data is available via CENSUS_TRACK_Table_2...
168.
Census 1990 Tract boundaries. Census 1990 Tract data in CENSUS1990
_TRACT_DAT table. The definitions for the data fields can be found in t...
168. This polygon layer represents 1990 Census Neighborhood Service Areas (NSA) boundaries. Facilitates linking the block, block group, tract and NSA re...