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. This polygon layer represents 1990 Census Neighborhood Service Areas (NSA) boundaries. Facilitates linking the block, block group, tract and NSA re...