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ClearMaps.com
Contains compilation and listing of links to subjects on geographic information systems includes magazines, books, directories, jobs, associations and software vendors.
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GIS Notebook
Features short articles on various subjects related to geographic information systems. Also includes resource pointers, historical information, concepts and documents.
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LLEK Bookmarks - Maps, GIS, Remote Sensing
Presents links to journal directories of cartography, GIS and remote sensing, and catalogs to scientific searches.
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Mapdawg’s Geographic Information Systems
Lists links that covers maps, spatial and geographic data, organizations, software and related subjects.
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Spatial Hydrology
Gateway to geographic information systems, hydrologic modeling and remote sensing provides collection of resources, news, database and trends.
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World of Maps
Gateway for maps, spatial data, mapping and geographic information systems includes links to catalogues, curatorship and map history, institutions and events.