Now Playing:

TV

Segments in this Episode

Oregon Field Guide

Missoula Floods

OPB | Sept. 3, 2009 1:30 p.m.

The Missoula floods changed the landscape of Oregon and Washington some 17,000 years ago.

Follow Oregon Field Guide

Send Oregon Field Guide A Message

Upcoming Broadcasts

Discovering Valhalla: Oregon's Hidden Gorge (2709)

February 12, 8:30 p.m. [OPB TV]

Discovering Valhalla: Oregon's Hidden Gorge (2709)

February 15, 10:30 p.m. [OPB TV]

Swan Transplants & Alvord Gliders (2711)

February 18, 8:30 p.m. [OPB TV]

All Season 10


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