Geology and ground water of the Tualatin Valley, Oregon /

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

The effect of chamber mixing velocity on bias in measurement of sediment oxygen demand rates in the Tualatin River basin, Oregon /
by: Doyle, Micelis C., 1966-
Published: (2003)

Selected elements and organic chemicals in bed sediment and fish tissue of the Tualatin River basin, Oregon, 1992-96 /
by: Bonn, Bernadine A.
Published: (1999)

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

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

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)

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)

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

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

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)

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

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)

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)

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

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)

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

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)

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

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)

Ground water in the Eola-Amity Hills area, northern Willamette Valley, Oregon /
by: Price, Don, 1929-
Published: (1967)

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

An evaluation of expected private losses from selected public policies for reducing open field burning, Willamette Valley, Oregon /
by: Conklin, Frank S.
Published: (1979)

Herbicide use in the management of roadside vegetation, western Oregon, 1999-2000 : effects on the water quality of nearby streams /
by: Wood, Tamara M.
Published: (2001)

Willamette Valley conservation study : strategic habitat conservation in Oregon's Willamette Valley /
Published: (2017)

Willamette Valley conservation study : strategic habitat conservation in Oregon's Willamette Valley /
Published: (2017)

Vegetational changes in the Willamette River Greenway in Benton and Linn Counties, 1972-1981 /
by: Frenkel, Robert E.
Published: (1983)

Poplar chip production for Willamette Valley grass seed sites /
by: Withrow-Robinson, Bradford A.
Published: (1995)

Land ownership dynamics in the Big Elk Valley in Oregon during the 20th century /
by: Butler, Brett J.
Published: (2002)

Land ownership dynamics in the Big Elk Valley in Oregon during the 20th century /
by: Butler, Brett J.
Published: (2002)

Analysis of the management situation (AMS) for the Upper Deschutes resource management plan and environmental impact statement (RMP/EIS) : executive summary /
Published: (2001)

In timber country : working people's stories of environmental conflict and urban flight /
by: Brown, Beverly A., 1951 February 21-
Published: (1995)

Recovery plan for Rogue and Illinois Valley vernal pool and wet meadow ecosystems /
Published: (2012)

Ground-water resources of the Willamette Valley, Oregon /
by: Piper, Arthur M. (Arthur Maine), 1898-1989
Published: (1942)