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GIS and Digital Spatial Data: Reference Resources


See Digital Spatial Data for major guides and collections of digital spatial data, organized by broad geographic area.

Manual of Geographic Information Systems

Dictionaries and Encyclopedias


Handbooks and Manuals


Literature Databases and Bibliographies


Internet Portals and Gateways


These are specialized "subject guides/portals/gateways" to GIS resources and news on the Internet.