Abstract -- The Oregon Fish Passage Barrier Data Standard (OFPBDS) dataset contains barriers to fish passage in Oregon watercourses. Barriers include the following types of natural or artificial structures:...

Abstract -- The species population addressed in this document is the Columbia River

Abstract -- This document provides an assessment of critical watershed health parameters for the Mosier, Rock and Rowena Creek Watersheds. All of these are located in Northwestern Wasco County, Oregon. Mosier...

Abstract -- Bridge Creek, a tributary of the John Day River, is located in Wheeler County in North Eastern Oregon. The Bridge

Abstract -- The Sandy River and its tributaries originate high on the west and south slopes of Mount Hood, flow approximately 55 miles in a northwesterly direction and enter the Columbia River near Troutdale...

Abstract -- The assessment area is located in north-central Oregon within the semi-arid Columbia Plateau

Abstract -- The John Day Basin is located in the north central part of the state