The database is updated daily. You can search the database, or browse by subject or research type. An excellent index of engineering related Internet information. Contains entries for a variety of disciplines, including Geotechnical engineering and Geography . A searchable index of over 1,500,000 manufacturing firms and services.
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Government A good place to start looking for U.S. Federal Government information is the U.S. Government Information Index . This site contains extensive lists of GIS-related web sites including GIS software and mapping companies. An independant bookstore in Portland, Oregon, specializing in technical books. This site allows customers to browse, search, and order books through the Web.