Natural History of the Columbia River Gorge

The Columbia River Gorge National Scenic Area encompasses 292,500 acres in an 85-mile run of the Columbia River, beginning at the Sandy River about 17 miles east of Portland, Oregon, extending just beyond the Deschutes River to the east. It is bounded on either side of the river by more than fifty peaks and high points, giving it a fjord-like appearance. This book provides a comprehensive introduction to the natural history of the Columbia River Gorge, focusing on its geology, hydrology, ge...