Selected elements and organic chemicals in bed sediment and fish tissue of the Tualatin River basin, Oregon, 1992-96 /

Sediment oxygen demand in the Tualatin River Basin, Oregon, 1992-96 /
by: Rounds, Stewart, et al.
Published: (1997)

Modeling water quality in the Tualatin River, Oregon, 1991-1997 /
by: Rounds, Stewart
Published: (2001)

Plankton communities and summertime declines algal abundance associated with low dissolved oxygen in the Tualatin River, Oregon /
by: Carpenter, Kurt D., et al.
Published: (2013)

Dissolved oxygen in the Tualatin River, Oregon, during winter flow conditions, 1991 and 1992 /
by: Kelly, Valerie J.
Published: (1997)

Sources and transport of phosphorus and nitrogen during low-flow conditions in the Tualatin River, Oregon, 1991-93 /
by: Kelly, Valerie J.
Published: (1999)

Effects of hypothetical management scenarios on simulated water temperatures in the Tualatin River, Oregon /
by: Risley, John C.
Published: (2000)

Use of stable isotopes of carbon and nitrogen to identify sources of organic matter to bed sediments of the Tualatin River, Oregon /
by: Bonn, Bernadine, et al.
Published: (2010)

Field comparison of Optical and Clark cell dissolved oxygen sensors in the Tualatin River, Oregon, 2005 /
by: Johnston, Matthew W.
Published: (2006)

Modeling discharge, temperature, and water quality in the Tualatin River, Oregon /
by: Rounds, Stewart
Published: (1999)

Relations of Tualatin River water temperatures to natural and human-caused factors.
by: Risley, John C.
Published: (1997)

Tualatin River Basin Water Supply Enhancement Act of 2003 : report (to accompany S. 625).
Published: (2003)

Tualatin River Basin Water Supply Enhancement Act of 2003 : report (to accompany S. 625) (including cost estimate of the Congressional Budget Office).
Published: (2003)

Use of continuous monitors and autosamplers to predict unmeasured water-quality constituents in tributaries of the Tualatin River, Oregon /
by: Anderson, Chauncey W.
Published: (2010)

Phosphorus and E. coli in the Fanno and Bronson Creek subbasins of the Tualatin River basin, Oregon, during summer low-flow conditions, 1996 /
by: McCarthy, Kathleen A.
Published: (2000)

Reconnaissance of pharmaceutical chemicals in urban streams of the Tualatin River Basin, Oregon, 2002 /
Published: (2009)

Tualatin River National Wildlife Refuge : draft comprehensive conservation plan and environmental assessment /
Published: (2012)

Tualatin River National Wildlife Refuge, comprehensive conservation plan /
Published: (2013)

Modeling water quality in the Tualatin River, Oregon, 1991-1997 /
by: Rounds, Stewart, et al.
Published: (2001)

Tualatin River National Wildlife Refuge watchable wildlife /
Published: (2006)

Upstream factors affecting Tualatin River algae : tracking the 2008 Anabaena algae bloom to Wapato Lake, Oregon /
by: Rounds, Stewart
Published: (2015)

Dioxins and furans in bed sediment and fish tissue of the Willamette Basin, Oregon, 1992-95 /
by: Bonn, Bernadine A.
Published: (1998)

A tunnel runs through it : an inside view of the Tualatin Mountains /
by: Walsh, Ken
Published: (2011)

Analysis of nutrient and ancillary water-quality data for surface and ground water of the Willamette Basin, Oregon, 1980-90 /
by: Bonn, Bernadine
Published: (1995)

Dioxins and furans in bed sediment and fish tissue of the Willamette Basin, Oregon, 1992-95 /
by: Bonn, Bernadine
Published: (1998)

Differentiating sediment sources using sediment fingerprinting techniques, in the Sprague River Basin, South-Central Oregon /
by: Schenk, Liam N. (Liam Nathaniel), 1977-, et al.
Published: (2019)

Sedimentation in three small forested drainage basins in the Alsea River basin, Oregon /
by: Williams, R. C.
Published: (1964)

Major turbidity events in the North Santiam River basin, Oregon, water years 1999-2004 /
by: Sobieszczyk, Steven
Published: (2007)

Relations of Tualatin River water temperatures to natural and human-caused factors /
by: Risley, John C.
Published: (1997)

Occurrence of selected trace elements and organic compounds and their relation to land use in the Willamette River basin, Oregon, 1992-94.
by: Anderson, Chauncey W.
Published: (1996)

Monitoring instream turbidity to estimate continuous suspended-sediment loads and yields and clay-water volumes in the upper North Santiam River basin, Oregon, 1998-2000 /
by: Uhrich, Mark A.
Published: (2003)

Seasonal and spatial variability of nutrients and pesticides in streams of the Willamette Basin, Oregon, 1993-95 /
by: Rinella, Frank A.
Published: (1998)

Tualatin reclamation project, phase 11 : hearing before the Subcommittee on Energy Research and Water Resources of the Committee on Interior and Insular Affairs, United States Senate, Ninety-fourth Congress, second session, on S. 2301 ... April 23, 1976 ...
Published: (1977)

Analysis of nutrient and ancillary water-quality data for surface and ground water of the Willamette Basin, Oregon, 1980-90.
Published: (1995)

Water-quality and algal conditions in the Clackamas River Basin, Oregon, and their relations to land and water management /
by: Carpenter, Kurt D.
Published: (2003)

Suspended-sediment loads and yields in the North Santiam River basin, Oregon, water years 1999-2004 /
Published: (2007)

Chemical study of regional ground-water flow and ground-water/surface-water interaction in the upper Deschutes Basin, Oregon /
by: Caldwell, Rodney R.
Published: (1998)