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Oregon Field Guide

Debris Flow

One of the most dangerous effects of volcanic eruption is a debris flow of water and ash.

Oregon Field Guide

Columbia River Dredge

A high-tech dregding ship keeps the channel in the middle of the Columbia River clear.

Oregon Field Guide

Wildlife Viewing

"The Wildlife Viewing Guide" is a book that covers wildlife throughout the state.

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Upcoming Broadcasts

Columbia River Bar Pilots (2803)

November 14, 8:30 p.m. [OPB TV]

All Season 7


Major Support Provided By:
Robert D. and Marcia H. Randall Fund for Lifelong Learning
Carol and Velma Saling Foundation
William K. Blount Family Fund of the Oregon Community Foundation

Additional Support Provided By:
Coit Family Foundation
Kay Kitagawa and Andy Johnson-Laird
Christine and David Vernier
Greenfield/Hartline Habitat Conservation Fund of the Nature Conservancy
Jim and April Lonzway

Special thanks for support by:
Barbara Emily Knudsen Charitable Foundation, Bonnie and Peter Reagan, Evergreen Hill Education Fund, Lee and Marcia Stevenson and Elaine Whitley