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Oregon Field Guide

Debris Flow

OPB | Feb. 1, 1996 7:30 p.m.

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

Oregon Field Guide

Columbia River Dredge

OPB | Feb. 1, 1996 7:30 p.m.

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

Oregon Field Guide

Wildlife Viewing

OPB | Feb. 1, 1996 7:30 p.m.

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

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Diving for Science (2411)

January 19, 8:30 p.m. [OPB TV]

Oregon Field Guide, #2808

February 2, 8:30 p.m. [OPB TV]

All Season 7

Major Support Provided By: Dorothy D. Gage

Additional Support Provided By: the Coit Family Foundation, Fred and Clara Dolen Charitable Foundation, Kay Kitagawa and Andy Johnson-Laird, Christine and David Vernier, and the Greenfield/Hartline Habitat Conservation Fund of the Nature Conservancy.

Special thanks for support by: The Roundhouse Foundation, Jon and Nancy Decherd, Bonnie and Peter Reagan