Union

Union - an administrative area of Bangladesh, a sub-division of thanas.

[Category=Addressing ]

Source: GRC Database Information, 24 March 2009 10:00:50, http://www.grcdi.nl

Administrative district information can be found in the Global Sourcebook for International Data Management . GRC Data Intelligence also maintains a file of postal code ranges for administrative areas

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union - [analysis/geoprocessing] A topological overlay of two or more polygon spatial datasets that preserves the features that fall within the spatial extent of either input dataset; that is, all features from both datasets are retained and extracted into a new polygon dataset. 

[Category=Geospatial ]

Source: esri, 22 September 2012 08:25:30, http://support.esri.com/en/knowledgebase/GISDictionary/term/abbreviation