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The City of Portland, Oregon

Planning and Sustainability

Innovation. Collaboration. Practical Solutions.

Phone: 503-823-7700

Curbside Hotline: 503-823-7202

1900 SW 4th Ave, Suite 7100, Portland, OR 97201

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Middle Columbia Corridor Inventory

The Middle Columbia Corridor / Airport Natural Resources Inventory is intended to update 20–year old inventory information for lands in the vicinity of the Portland International Airport (PDX). The draft report includes a description of the methodology, overview of the area, and inventory site descriptions including natural resource descriptions, ranks of relative resource value, and maps.

Main Report and References

Main body of the report (excluding site descriptions, references, and appendices)

Site CS1 - Buffalo Slough Site

Buffalo Slough/Peninsula Canal site description

Site CS3 - Central Columbia River

Central Columbia River inventory site description

Site CS2 - Portland Airport

Portland International Airport site description

Site CS4 - Middle Slough/Whitaker Slough

Middle Slough/Whitaker Slough inventory site description

Site CS5 - Airport Way

Airport Way inventory site description

Site CS6 - Little Four Corners

Little Four Corners inventory site description