Science & Technology Libraries

Resources in this category:

The National Science Digital Library
http://nsdl.org/

NSDL is the Nation's FREE online library for education and research in Science, Technology, Engineering, and Mathematics. It provides organized access to high quality resources and tools conveniently categorized by K12 teachers, librarians, university faculty and first time users.

USGS Library: Homepage
http://library.usgs.gov/

The U.S. Geological Survey's library website, "the largest earth science library in the world!" Features a searchable online catalog and databases; links to related map, journal and image archives; and detailed information about the library and its history, including the development of its classification scheme.