Geophysical Sciences

• CIESIN Data Resources
• GeoWeb
• National Geophysical Data Center
• National Geospatial Data Clearing House
• National Snow and Ice Data Center
• NOAA Data Center
• SEDAC Socioeconomic Data and Applications Center
• USGS EROS Home Page
• USGS Global Land Information System
• USGS Publications and Data Products

• American Crystallographic Association
• American Geological Institute
• American Geophysical Union
• American Institute of Physics
• American Meteorological Society
• Geological Society of America
• Society of Exploration Geophysicists
• USGS Geophysics Home Page
• USGS Home Page
• Earth Sciences Scholarly Societies (University of Waterloo)
  This is an excellent, exhaustive list of links to dozens of scholarly societies; well-maintained and authoritative

States

• Association of American State Geologists
  Well-maintained list of links to available state geological survey sites
• Illinois State Geological Survey

USGS

• United States Geological Survey

International Geological Surveys

• Directory of Geoscience Organizations of the World 1999
  While out of date, this site is still helpful to identify the names of the individual national geological surveys.  Postal addresses, telephone numbers, email and web links (when available) for most countries are given, but should be checked. Includes other geological sciences bureaus and organizations as well as surveys. Provided by the Geological Survey of Japan.

The following sites provide information in varying levels of detail on a variety of geological sciences topics. Mostly geared toward students, and those researchers seeking basic information or introductory and background material in preparation for more in depth study. Many of these sites also provide materials for curricular support for instructors at many different levels (elementary school through university programs). Special features may include virtual field trips, online glossaries, and media presentations.

• EINet Geoscience Index
• Earth and Environmental Science
• NASA Information by Subject
• Columbia Earthscape
• Physical Geography Resources
• US Geological Survey Index of Servers
• geologylink
• WWW Virtual Library
• Virtual Geosciences Professor
• National Archive of Geological Photographs (UK)

Andrea Twiss-Brooks
Director, Humanities and Area Studies
Chemistry and Geophysical Sciences Librarian
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