Oregon Field Guide

Yellow Tuft Alyssum; Mt. Hood's Volcanic Past; Warren Falls

Season 24 Episode 2404 | 28m 50s | Video has closed captioning.

Yellow Tuft Alyssum - A new invasive species from Europe has been introduced in the Illinois River valley. Mt. Hood's Volcanic Past - Mt. Hood is an active volcano with a history of relatively recent eruptions. Warren Falls - A man-made waterfall in the Columbia Gorge blocks a natural fall. One man wants to end that.

Aired: 10/25/12

Rating: TV-G

Problems Playing Video? | Closed Captioning

Oregon Field Guide is a local public television program presented by OPB.