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*Details: File format summary



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Name Geography Markup Language
Other names GML
Identifiers MIME:  application/gml+xml
PUID:  x-fmt/227
Classification GIS, Text (Mark-up)
Description The Geography Markup Language (GML) is the XML grammar defined by the Open Geospatial Consortium (OGC) to express geographical features. GML serves as a modeling language for geographic systems as well as an open interchange format for geographic transactions on the Internet. Full specifications can be found at
Orientation Text
Byte order  
Related file formats Has lower priority than XML Schema Definition  
Has lower priority than Geography Markup Language (3.2)
Has priority over Extensible Markup Language (1.0)
Is previous version of Geography Markup Language (3.2)
Technical Environment  
Supported until  
Format Risk  
Developed by None.
Supported by None.
Source Digital Preservation Department / The National Archives
Source date 02 Aug 2005
Source description Format description information supplied by the Geospatial Multistate Access and Preservation Partnership (GeoMAPP), a grant funded collaboration sponsored by the National Digital Information Infrastructure Preservation Program (NDIIPP) of the Library of Congress, involving archives staff from North Carolina, Kentucky, Montana, and Utah state archives. Additional information supplied by Ordnance Survey. Mime type corrected to application/gml+xml 26/09/2012
Last updated 26 Sep 2012
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