Oregon Field Guide

Waterfall Search, Columbia River Trail, Bird Song (16x5)

Ημερομηνία προβολής: Φεβ 01, 2005

Join us on our search for an unnamed, unmapped waterfall in the Mt. Hood wilderness! Canoers and kayakers want to create a "river trail" on the lower Columbia River. Biologists study songbirds to learn more about the human brain.