Abstract -- Hagg Reservoir is a Bureau of Reclamation (BOR) multi purpose reservoir on Scoggins Creek, Washington County, 6 miles southwest of Forest Grove. It was constructed in 1974 and filled the first time...

Abstract -- The Tillamook region BLM and Washington County Soil and Water Conservation District teamed up to produce this analysis of the Dairy Creek, McKay Creek subbasins of the Tualatin River. Chapter 1...

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:...