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Scope and arrangement of guidebook -- Acknowledgments -- Part I : Geologic sketch of the Newport area, Oregon -- Introduction -- Geologic setting -- Stratigraphy -- Siletz River volcanics -- Tyee Formation --...
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...
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,...
A diversity in climate, geologic parent material, and soil
The morphology and genesis of soils of the Willamette series
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...
The middle to upper Eocene Tillamook Volcanics form the basement in the Rock
Cover title; Chiefly tables
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...