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TOPICsearch contains full text for over 150,000 articles on current topics. Hear about it on the news, learn about it here.


Toxnet provides access to a system of databases on toxicology, hazardous chemicals, and related areas. HSDB (Hazardous Substances Data Bank), CCRIS Chemical Carcinogenesis Research Information System) from the National Cancer Institute, and GENE-TOX (Genetic Toxicology/Mutagenicity Data Bank)and IRIS (Integrated Risk Information System) both from the Environmental Protection Agency (EPA).

U.S. Geological Survey Publications

1880- This file provides access to the publications of the USGS and includes references to U.S. Geological Survey reports and maps published from 1880 to date. The text of documents is not included; however, the database includes complete bibliographic references and index terms drawn from the GeoRef Thesaurus.


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