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Oregon Field Guide

Disappearing Frogs

OPB | Feb. 1, 1993 7:30 p.m.

Scientists study why frogs are disappearing in Oregon.

Oregon Field Guide

Eel Harvest

OPB | Feb. 1, 1993 7:30 p.m.

Lamprey eels are captured at the base of Willamette Falls.

Oregon Field Guide

Hidden Columbia River

OPB | Feb. 1, 1993 7:30 p.m.

Remnants of the history of the lower Columbia River still linger along the shore.

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Diving For Science (2411)

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

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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