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U.S. GEOLOGICAL SURVEY
Water-Resources Investigations Report 03-4204

Watershed Analysis of the Salmon River Watershed, Washington: Hydrology

Prepared in cooperation with
QUINAULT INDIAN NATION

By William R. Bidlake

ABSTRACT

The U.S. Geological Survey analyzed selected hydrologic conditions as part of a watershed analysis of the Salmon River watershed, Washington, conducted by the Quinault Indian Nation. The selected hydrologic conditions were analyzed according to a framework of hydrologic key questions that were identified for the watershed. The key questions were posed to better understand the natural, physical, and biological features of the watershed that control hydrologic responses; to better understand current streamflow characteristics, including peak and low flows; to describe any evidence that forest harvesting and road construction have altered frequency and magnitude of peak and low flows within the watershed; to describe what is currently known about the distribution and extent of wetlands and any impacts of land management activities on wetlands; and to describe how hydrologic monitoring within the watershed might help to detect future hydrologic change, to preserve critical ecosystem functions, and to protect public and private property.

CONTENTS

Abstract
Introduction
Key Hydrology Issues and Key Questions
Responses to Key Questions
Summary
Literature Cited

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Select 11x17 high resolution versions of Figure 5 (PDF, 463 KB) and Figure 6 (PDF, 733 KB) to view or print.

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Send questions or comments about this report to the author, William R. Bidlake, (253) 428-3600 ext. 2641.

For more information about USGS activities in Washington, visit the USGS Washington District home page.

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