PROJECT MANAGERS AND
WRITERS

Gregory J. Fuhrer
Robert J. Gilliom
Pixie A. Hamilton
Jennifer L. Morace
Lisa H. Nowell
Joseph F. Rinella
Jeffrey D. Stoner
Dennis A. Wentz

GRAPHIC DESIGN

Phillip J. Redman

RESEARCH ASSISTANCE

Dana W. Kolpin
Steven J. Larson
David K. Mueller
Bernard T. Nolan
Peter C. VanMetre

GEOGRAPHICAL INFORMATION
SPECIALISTS

Kerie J. Hitt
Naomi Nakagaki
Barbara C. Ruddy
Kenneth A. Skach
Gail P. Thelin

USGS REVIEWERS

Jeffrey T. Armbruster
Thomas J. Casadevall
Carol A. Couch
Michael Eberle
Elisabeth A. Graffy
Dennis R. Helsel
Robert M. Hirsch
Ivan C. James II
Stuart W. McKenzie, Retired
Timothy L. Miller
Marc A. Sylvester
William G. Wilber
Michael C. Yurewicz
Chester Zenone
John S. Zogorski

EXTERNAL REVIEWERS

Mark T. Anderson,
   National Science and
   Technology Council,
   Executive Office of the President
Judy Campbell Bird,
    Consultant
Emery T. Cleaves,
   Maryland Geological Survey
Tom DeMoss,
   USEPA, Region 3,
   Mid-Atlantic Integrated
   Assessment (MAIA)
Paul Jehn,
   Ground Water
    Protection Council

Robert Kellogg,
   USDA, Natural Resources
   Conservation Service
Loni Kemp,
   Minnesota Project
Debra Knopman,
   Progressive Policy Institute--
   Center for Innovation and
   Environment
Penny Loeb,
    U.S. News and World Report
Richard J. Pastor,
   Elf Atochem North America, Inc.
Steve Paulsen,
    USEPA, Office of Research and
    Development, Western Ecology
    Division
Tom Stiles,
    Kansas Department of Health
    and Environment, Planning
    and Prevention

PHOTOS

All photos by USGS personnel unless otherwise noted

ABOUT THE COVER

Top left:
Opal Creek drains one of the few protected old growth forest reserves remaining in the Willamette Basin, Oregon. (Photograph by Dennis A. Wentz)

Top right:
Wheat is a major crop in the Red River of the North Basin, Minnesota, North Dakota, and South Dakota. (Photograph courtesy of Don Brennemen, University of Minnesota Agricultural Extension Service)

Bottom left:
Dallas is reflected in the channelized Trinity River, Texas. (Photograph courtesy of TEXAS HIGHWAYS Magazine. © by Richard Stockton. Used with permission.)

Bottom right:
A hydrologic technician collects a water sample from Zollner Creek, Oregon, for analysis of nutrients and pesticides. (Photograph by Dennis A. Wentz)

FOR ADDITIONAL INFORMATION ON THE NAWQA PROGRAM:

Chief, NAWQA Program
U.S. Geological Survey
413 National Center
Reston, VA 20192
phone: (703) 648-5716
fax: (703) 648-6693
email:nawqa_whq@usgs.gov

http://water.usgs.gov/lookup/get?nawqa