Provides direct access to a widely scattered collection of original medieval manuscripts that describe travel - real and imaginary - in the Middle Ages. This resource is provided by Adam Matthew.
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METADEX is the only comprehensive source for information on metals and alloys. Begun in 1966, METADEX contains over 1 million references and is the database equivalent of Metals Abstracts and Index.
Contains records drawn from the World's literature on meteorology, climatology, atmospheric chemistry and physics, astrophysics, hydrology, glaciology, physical oceanography and environmental sciences.
Created through a partnership between NASA and the Internet Archive, NASA imagines offers public access to NASA's image, video, and audio collections in a single, searchable resource.
A web portal from the publisher of the National Geographic Magazine.
The National Ocean Service (NOS) studies, monitors, and protects coastaland marine areas in the United States.
The National Sea Grant Library, NSGL, (formerly known as the National Sea Grant Depository) was established in 1970 as an archive and lending library for Sea Grant funded documents.
This site was designed to provide easy access to EPA's publications and simple navigation to other services which may help in locating environmental information.
The National Oceanic and Atmospheric Administration site resources available include government documents, photographs, maps, and rare and archival materials.