The database offers the accurate and reliable, geographically based, population distribution model.
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The Lyell Collection, created to mark the Geological Society of London's 200th anniversary in 2007, represents one of the largest integrated collections of online Earth science literature available. Bringing together key journals, Special Publications and Society book series on a single electronic platform, the Lyell Collection is a unique resource for researcher and student alike.
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.