Earth & Environmental Sciences Resources. A very comprehensive index to earth & environmental sciences resources on the Internet, from the USGS.
EnviroLink Library. Comprehensive resource guide to environmental information available on the Internet. Information is broken into categories, such as ground pollution and wildlife.
Geo-Guide. Browse for geology resources by subject or source type, or perform simple or advanced searches.
GeoIndex. Search or browse for company, association, education, or government Web sites containing geotechnical, environmental, hydrogeologic, geologic, mining, or petroleum information.
intute: Physical Sciences . Annotated and user-rated lists of major internet resources in the fields of astronomy, physics, earth sciences, chemistry, and materials science.
LW's Geo Site. Links to numerous geology sites on plate tectonics, earthquakes, minearlogy, paleontology, etc.
Mineralogy and Petrology Research on the Web. Offers listings of databses, professional societies and other resources of interest.
New York Geology Resource Forum. A central source for information related to the geology & geologic information providers of New York State; it contains links to Internet resources, publication titles, & addresses of businesses, government agencies, & colleges that can be a source for information on the geology and geologic profession in New York.
Structural Geology on the Web. A collection of links to structural geology & tectonics resources available on the Web; includes links to data sets & bibliographies, images, software, commercial products, books & journals, organizations, research groups, meetings, employment sites, and structural geologists