Schaffner Schaffner | Akateeminen Kirjakauppa

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.