» ClearMaps    GIS Directory Listing including lists of GIS software vendors, GIS organizations, GPS, remote sensing, free GIS data, and so on.    http://www.reach.net/~maps/clearmaps/clearmaps.html

» Colorado's Portal    Categories for employment, internships/volunteering, data, events, education.    http://home.earthlink.net/~giswebmaster/

» GIS Landbase Information and Data Links    Lists national, regional, state and local sources for landbase related information and data.    http://home.comcast.net/~rickking04/gis/gis.htm

» GIS Portal    A GIS resource with about 650 links.    http://www.gisportal.com/

» LLEK Bookmarks Scientific Search Engines - Cartography/GIS/Remote Sensing    A comprehensive catalog of scientific resources and media worldwide but especially in German and English: Directories of Cartography Journals; Cartography-related catalogs of scientific search engines;additional starting points and sites of special intere    http://llek.de/english/thematic/nature/earthsciences/karten_e.htm

» MapDawg's GIS    Links to maps, spatial data, and other items related to geography.    http://mapdawg.tripod.com/

» Spatial Hydrology    Gateway to the world of hydrologic modeling, GIS, GPS and remote sensing.    http://www.spatialhydrology.com/

» The GIS Notebook    A complete list of GIS web sites.    http://www.gisnet.com/notebook/index.html

» The World of Maps    Links to catalogues of map collections and archives.    http://www.maps.ethz.ch/