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Oregon's volcanoes have a history of catastrophic eruptions, and they could happen again. Find out what's being done to prepare us all. Columbia river dredge—it's an inquiring look at a high-tech workhorse that keeps the river open for the big ships. And a look at where to find some of the best wildlife viewing in the state.

Segments in this Episode

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

River of the Rogues (2410)

January 11, 8:30 p.m. [OPB TV]

All Season 7

Major Support Provided By:
William K. Blount Family
Carol and Velma Saling 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.

Special thanks for support by:
The Roundhouse Foundation, Nonnie Cole, Barbara Emily Knudsen Charitable Foundation, Bonnie and Peter Reagan, Dr. Andrew McIvor and Dr. Maura Conlon McIvor