Download or read book Exploring the Tualatin River Basin written by Barbara Schaffner and published by . This book was released on 2002 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Washington County's Tualatin River Basin has some of the most appealing and least known natural areas in the greater Portland area. Intended for hikers, canoeists, naturalists, birders, and outdoor enthusiasts of all kinds, this beautifully illustrated field guide introduces 85 sites and includes a wealth of information on the plants, wildlife, and natural attractions to be found.