Biblioteca Digital

7 resultados para United States. Animal and Plant Health Inspection Service Officials and employees

em Biodiversity Heritage Library, United States

An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian, by Nathaniel Lord Britton ... and Hon. Addison Brown ...

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v. 1

Scientific and technical societies of the United States and Canada.

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Radioactive and other environmental threats to the United States and the Arctic resulting from past Soviet activities : hearing before the Select Committee on Intelligence of the United States Senate, One Hundred Second Congress, second session ... Saturday, August 15, 1992.

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Selected vertebrate endangered species of the seacoast of the United States / prepared by National Fish and Wildlife Laboratory, U.S. Fish and Wildlife Service.

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A guide and key to the aquatic plants of the Southeastern United States, by Don E. Eyles and Lynne Robertson, Jr. With original drawings by Garnet W. Jex.

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Marine flora and fauna of the northeastern United States, Crustacea : Decapoda / Austin B. Williams.

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Coastal environmental quality in the United States, 1990 : chemical contamination in sediment and tissues / Thomas P. O'Connor ; National Status and Trends Program.

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