By A Mystery Man Writer
We team up with Portland State University geology Professor Emeritus Scott Burns for a deeper examination of the Columbia River Gorge’s many striking features.
Historic Columbia Gorge highway is one step nearer completion, with world-class aspirations - OPB
Distribution of volcanic rocks erupted from 17 to 14 Ma along
Flying high for conservation, EcoFlight soars above the Northwest
Paddle into The Heart Of the Columbia River
The Columbia River Gorge - Lewis and Clark Episode 21
Columbia River Gorge Archives - Northwest Public Broadcasting
Hiding Carbon Emissions Under the Northwest's Big Rocks - OPB
Explore the striking scenery and geology of the Columbia Gorge
Geology of the Columbia River Gorge
OPB