1930. This polygon layer represents the Census Tract in Washington, DC 1990.
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6. Census Year 2000 Tract Polygons. This dataset contains polygon features, created as part of the DC Geographic Information System (DC GIS) for the D...
170. Census 2000 Tract boundaries in Arlington County, VA.
2000. This polygon layer represents the census tracts of Loudoun County, VA 2000.
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...
2002. The polygon layer represents the location and attributes of Central Employment Area in Washington, DC 2002.
2005. This dataset represents the occupancy permits in Washington, DC 2005.
7. This point dataset represents locations for charter schools in Washington, DC 2007.
6. This point dataset represents locations of Child Care Sites in Washington, DC 2006.
2008. This polygon layer represents the arcs comprising the boundaries of civic associations and buffered areas in Arlington County, VA 2008 Not inte...