Download or read book Preliminary Assessment of Channel Stability and Bed- Material Transport in the Tillamook Bay Tributaries and Nehalem River Basin, Northwestern Oregon written by U.S. Department of the Interior and published by CreateSpace. This book was released on 2014-03-30 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report summarizes a preliminary study of bed-material transport, vertical and lateral channel changes, and existing datasets for the Tillamook (drainage area 156 square kilometers [km2]), Trask (451 km2), Wilson (500 km2), Kilchis (169 km2), Miami (94 km2), and Nehalem (2,207 km2) Rivers along the northwestern Oregon coast.