Download or read book Channel Change and Bed-material Transport in the Umpqua River Basin, Oregon written by U.S. Department of the Interior and published by . This book was released on 2014-10-09 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Umpqua River drains 12,103 square kilometers of western Oregon, with headwaters in the Cascade Range, the river flows through portions of the Klamath Mountains and Oregon Coast Range before entering the Pacific Ocean.