Several different aquatic indicators can describe the ecological health of a stream and watershed.
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A COLLABORATION OF: OSU LIBRARIES & PRESS 
INSTITUTE FOR NATURAL RESOURCES
INSTITUTE FOR NATURAL RESOURCES
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Willamette Valley
Willamette Valley
Dams
While many people think of dams in terms of large federal projects, such as Lookout Point (the reservoir with the...
Present conditions show us the past. Present actions define our future.
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Oregon's Clackamas River flows approximately 85 miles from its headwaters on Ollalie Butte, just south of Mt. Hood, west into the Willamette River...
The Willamette is Oregon's largest and most important river, with more than half of the state's residents living near its shores. The impacts of...
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