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1. 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).

3. Block groups 2000, Arlington County, VA

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

6. Forest Tracts, Loudoun County, VA (2007)

George Mason University Public content
2002. Forest tracts is a base map data layer derived by automated processes and processed for cartographic representation at 1:2400 scale. The polygon f...

7. Germany Boundary, Cold War Era

George Mason University Public content
1. A polygon file that represents the boundary of East and West Germany during the cold war period. .

8. Index Cells, Loudoun County, VA

George Mason University Public content
1. The polygon layer represents 16560 equal size cells to be used for Indexing purpose,.

9. PACT Map 13 (1940), Southern VA

George Mason University Public content
1. This map represents a georeferenced image of PACT Map 13 (1940).jpg prepared by David Dick, Roanoke Appalachian Trail Club. It contains State High...

10. PACTMap 14(1941).jpg Southern VA.

George Mason University Public content
1. This map represents a scanned image of "Map no. 14" published by Potomac Appalachian Trail Club drafted by E.P. Schreier and edited by Myron Avery...