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Northwest-Pacific Islands Region

Welcome to the USGS Northwest-Pacific Islands Region website. Our seven science centers conduct a wide array of impartial, multi- and interdisciplinary research and monitoring on natural-resource issues in the states of Hawaiʻi, Washington, Oregon, Idaho, and Western Montana and the United States Pacific Territories of American Samoa, Guam, and the Northern Marianas.

News

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Smallmouth bass mercury levels linked to habitat types along the Snake River 

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New project webpage: Modeling the water-quality effects to the Klamath River from drain recirculation

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USGS study highlights potential of significant critical mineral resources in the Western U.S.