| Atlas of Rocks, Minerals, and Textures | University of North Carolina. Images of thin sections of 40 minerals and metamorphic, plutonic, and volcanic microtextures. |
| Center for Advanced Spatial Technologies | Stephan Pollard, University of Arkansas. Large number of unannotated links to geospatial and attribute data arranged by subject and geographical location. |
| CIESIN | Center for International Earth Science Information Network. Many demographic, socioeconomic, population, environmental, etc., plus links. |
| Dartmouth Flood Observatory | Dartmouth University. Information about flooding as a phenomenom, historic floods, and current conditions. |
| Digital Earth | Cornell University. Geologic, geographic, and geophysical data from around the world. Create maps displaying land, oceans, borders, roads, lakes, rivers, roads, railroads, faults, mines, seismicity, and other geological, geographical, and geophysical data. |
| Earth Science World | American Geological Institute. Interactive geological time line, bibliography, career related links, images of >4000 images, etc. |
| Earth-Sciences and Resources Institute | University of South Carolina. Links to high-quality or underrepresented geoscience sites in fifty categories, including cartography, geophysics, speleology, limnology, paleology, etc. |
| GeoGuide | Göttingen State and University Library. Ranked web sites arranged in nineteen categories, including soil science, hydrology, geodesy, cartography, minerology, petrology, etc. |
| Geosciences Sites | LOGIKA. Information sorted by academic organizations, articles, cartography, collections, commercial organizations, directories, government & non-profit organizations, guides, and periodicals. |
| Geosource | Utrecht University. >4,600 annotated web links,related to human geography,physical geography, planning,geoscience and environmental science, statistics, journals, etc. |
| GIS Data Depot | ThinkBurst Media. Free downloads and custom CD creation from the GIS Data Depot's terabyte online inventory of geospatial data. |
| GIS Dictionary | AGI. ~1000 definitions and ]50 diagrams. |
| Global Positioning System Overview | Peter H. Dana, University of Texas, Austin. |
| How Volcanoes Work | Victor E. Camp, San Diego State University. Text, figures, images, animation, links, , software related to eruption dynamics, historic eruptions, landforms, extraterrestial volcanoes. |
| Hydrology Web | Pacific Northwest National Laboratory. Links to a wide variety of hydrology-related sites. |
| Intute: Earth Sciences | The Intute Earth Sciences Gateway provides free access to high quality resources on the Internet. Each resource has been evaluated and categorised by subject specialists based at UK universities. Our target audience is students, staff and researchers in higher and further education. |
| Links for Mineralogists | University of Würzburg. Aimed at mineralogists but contains a large amount of information of interest to geoscientists. Links to information about many geoscience disciplines, databases, preprints, geological instruments, software, maps, diagrams, literature searches, directories, conferences, jobs, institutes, etc. |
| Locating Information in the Earth Sciences | Stanford University. Links related to geology, oceanography, geochemistry, paleontology, stratigraphy, geospatial data, meteorology, volcanology, earthquakes, water resources, mining, energy resources etc. |
| Mineralogy | David Barthelmy. News, links, information in categories as crystallography, chemical composition, strunz classification, and an alphabetic listing. |
| Museum of Paleontology | University of California - Berkeley. Exhibits, links, etc. |
| National Center for Atmospheric Research | Research, publications, models, downloads, etc. related to the atmosphere. |
| National Snow and Ice Data Center | Articles, news, data, reports on current projects. |
| NaturalResources Canada | Includes information about Canada's natural resources, landmass, services links, etc. |
| Ocean Portal | International Oceangraphic Commission, UNESCO. >5,000 links in 250 categories. |
| Ocean World | Texas A&M. Information and links about oceanography for students and educators. Full text textbooks. |
| Origins: Antarctica Scientific Journeys | Information about current and past expeditions/research, geophysical and biota features and methodology. |
| Physical Sciences Information Gateway | Consortium of Academic Libraries. News and annotated links. |
| Plate Tectonics | University of California Berkeley. Essays about the history and theory of plate tectonics. Also, animated files showing continents' positions during various eras, links, and references. |
| Population Index | Princeton University. A searchable and browsable database containing 40,243 abstracts of demographic literature published in Population Index in the period 1986-1998. |
| Population Information Network | United Nations. Publications, bibliographies, links to worldwide general and specific population information. |
| Scripps Institute of Oceanography | University of California, San Diego. A comprehensive guide to physical and chemical oceanography; climatology; meteorology; and marine technology, geology, and biology resources on the Internet. |
| Structural Geology on the Web | Kevin Smart, University of Oklahoma. Links to sites related to structural geology and tectonics. |
| This Dynamic Planet | This site contains an interactive map that was complied by the US Geological Survey |
| Universities Water Information Network | Southern Illinois University in Carbondale. Announcements, directories, databases, employment listings, links. |
| Volcano World | University of North Dakota. Information, news, links, images, list of ]100 topics that link to essays and photographs, etc. |
| Water Librarian's Page | Robert Teeter. Links to water resources and environmental engineering sites, including "water agencies, water reference databases, comprehensive water pages, regional issues, and water mailing lists." |
| World Gazeteer | Statistics about current population of countries, their administrative divisions, cities and towns as well as images of the current national flags. |