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Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Avenue, Room 1000, Portland, OR 97204

Greenroof Research at PSU

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Professor Graig Spolek and his students, undergraduate Eduardo Guerrero and graduate student Debbie Beck, describe their greenroof research at Portland State University.

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Spam Prevention In the Pacific Northwest, what state is Portland in?