Alphabetical Mineral Reference
Athena Mineralogy
Branner Earth Sciences Library and Map Collections
Earth Island Institute
Geoscience Information Technology
Global Hydrology and Climate Center
Hydrology Web
Links for Mineralogists
NASA's Global Change Master Directory
National Center for Biotechnology Information
National Geophysical Data Center
Scripps Institution of Oceanography Library
Structural Geology and Metamorphic Petrology on the WWW
U.C. Berkeley Earth Sciences & Map Library
USGS - U.S. Geological Survey
