The World of Maps - Links to catalogues of map collections and archives. 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 interest. MapDawg's GIS - Links to maps, spatial data, and other items related to geography. Spatial Hydrology - Gateway to the world of hydrologic modeling, GIS, GPS and remote sensing. The GIS Notebook - A complete list of GIS web sites. ClearMaps - GIS Directory Listing including lists of GIS software vendors, GIS organizations, GPS, remote sensing, free GIS data, and so on. Colorado's Portal - Categories for employment, internships/volunteering, data, events, education.