Search Results for the EPA National Library Catalog

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Your Search: (SUBJECT=Riparian ecology Oregon Willamette River Valley.)

 
 
 

Select Item Title Year Published
Effect of riparian areas on the ecological condition of small, perennial streams in agricultural landscapes of the Willamette Valley {Microfiche} 1997
Guidebook for hydrogeomorphic (HGM)-based assessment of Oregon wetland and riparian sites. I, Willamette Valley Ecoregion. 2001

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