Columbia River Gorge (including complete coverage of Portland) By Stuart Warren, Brian Litt2002 | 250 Pages | ISBN: 1566913675 | PDF | 42 MB
This new guide from the award-winning Moon Handbooks series features an intimate look at one of the lesser-known natural wonders of the U.S., with information on Portland, the formation of the gorge, the bicentennial of the Lewis and Clark Expedition, outdoor activities, and much more.