Oregon Field Guide

Oregon Field Guide

Mt. Hood's Volcanic Past, Warren Falls, Yellow Tuft Alyssum (24x4)


Data de estreia: Out 25, 2012

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. Yellow Tuft Alyssum A new invasive species from Europe has been introduced in the Illinois River valley.

  • Estreia: Fev 1990
  • Episódios: 174
  • Seguidores: 6
  • A decorrer
  • PBS
  • Quinta-Feira às 20