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41. Berlin Wall Boundary, Cold War Era

George Mason University Public content
1. This polygon boundary shows the boundary of wall between East and West Berlin during the cold war period (1945-1990).

43. Bike Routes, Arlington County, VA 2009

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2009. This dataset represents the Bike Routes (existing and planned) throughout Arlington County, VA 2009.

44. Bike Trails, City of Alexandria, VA 2005

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2005. This polylines represents collection of trails within the City of Alexandria, Virginia. Shows trail features categorized by on street, off street, ...

46. Block Group Boundaries, Washington, DC 2005

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6. Unofficial Census block group boundaries for the District of Columbia. These boundaries were compiled from an unofficial U.S. Census TIGER/line pr...

47. Block groups, 1990, 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.

48. Block groups 2000, Arlington County, VA

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168. This polygon layer represents Blockgroup boundary 2000, Arlington County, VA. The definition of table data is available via CENSUS_TRACK_Table_2...

49. Blocks, Arlington County, VA

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1990. The polygon represents 1990 Census Block Boundaries in Arlington County, VA.

50. Blocks, Arlington County, VA

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1990. The polygon represents 1990 Census Block Boundaries in Arlington County, VA.