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Many data sets from various scientific disciplines can be browsed via Data & Products. There are a number of ways to navigate our site.

Browse our Data & Products - Find data and products by discipline. We have many data sets available for free download, and products available for purchase through our online store (CD-ROMs, Posters, Reports and Publications, Slide sets, Data Access Systems)

Find Educational Materials - We have a wide selection of materials suited for teachers, public officials, and members of the general public.

Find People - If you are looking for someone in your field or area of interest, visit the Directory.

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Search the site - Use a keyword or phrase with our search engine to find matches within our site.

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