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Description:
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"The reports and thematic maps database currently contains more than 67,000 bibliographic citations, including numbered series begun as early as 1882. Citations and online documents are added regularly. Availability of content ranges from full text to bibliographic citation only. A number of Biological Resources Discipline report citations, primarily historical research reports, are included. These citations include reports released by the Fish and Wildlife Service as well as the National Biological Survey prior to the creation of the Biological Resources Division of the USGS."
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