Acknowledgments


The authors thank the many people who contributed their time and knowledge to help complete this study. The following organizations are noted for their special assistance with the collection of data: Columbia Basin Ground Water Management Area, Confederated Tribes of the Umatilla Indian Reservation, GSI Water Solutions, Inc., Oregon Water Resources Department, U.S. Department of Energy, Walla Walla Basin Watershed Council, and Washington State Department of Ecology. The following USGS employees are gratefully acknowledged for their contributions to the study: Danial Polette and Leonard Orzol assisted with analysis of the data; Fred Tillman developed and modified Excel^® spreadsheet tools that greatly simplified the processing of the data; Sue Kahle and Marshall Gannett provided guidance and insights; and the many other USGS employees whose everyday efforts go to support this and many other studies. 


First posted February 5, 2013