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  1. The Ore bin ; Vol. 31 No. 2 (February 1969)

    Scope and arrangement of guidebook -- Acknowledgments -- Part I : Geologic sketch of the Newport area, Oregon -- Introduction -- Geologic setting -- Stratigraphy -- Siletz River volcanics -- Tyee Formation --...

  2. By the Numbers: The Region Votes its Fate

    The author examined how the residents in the five-county region of the metropolitan area (Clackamas, Columbia, Multnomah, Washington, and Yamhill) voted in the 2004 general election on selected ballot measures...

  3. Population Dynamics of the Portland-Vancouver MSA

    This article offers a descriptive overview of population dynamics in the Portland-Vancouver Metropolitan Statistical Area (MSA). The MSA includes five of Oregon’s 36 counties–Clackamas, Columbia, Multnomah,...

  4. Relationships among phosphorus soil tests, forms of soil phosphorus, and plant uptake of phosphorus for selected southwestern...

    A diversity in climate, geologic parent material, and soil

  5. Willamette and associated soils on late Pleistocene geomorphic surfaces, Polk County, Oregon

    The morphology and genesis of soils of the Willamette series

  6. Oregon's Mid-Willamette Valley wetlands : agricultural uses, alternative uses, problems and trends

    The wetlands are distinguished from other lands of the Mid-Willamette Valley by excessive soil moisture. The wetlands, as defined for this study, consist of 20 soil series (in 22 soil mapping units) which are...

  7. Surface-subsurface geology of the middle to upper Eocene sedimentary and volcanic rock units, western Columbia County,...

    The middle to upper Eocene Tillamook Volcanics form the basement in the Rock

  8. Water resources data. Oregon. Water Year 2003

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    Cover title; Chiefly tables

  9. Water resources data. Oregon. Water Year 2002

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    PREFACEThe annual Oregon hydrologic data report is one of a series of annual reports that document hydrologic data gathered from the U.S. Geological Survey's surface- and ground-water data-collection networks...

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