Acknowledgments

We deeply appreciate the thorough and useful reviews of and contributions to this book by the following individuals:

• Donald Siegel, Research Professor; Professor Emeritus, Earth and Environmental Sciences, Syracuse University, Syracuse, New York, USA;
• Joseph Holden, Chair of Physical Geography, Director of Water@Leeds, Leeds University, Leeds, United Kingdom;
• Donald Rosenberry, Research Hydrologist, United States Geological Survey, Lakewood, Colorado, USA;
• Charles Harvey, Professor of Civil and Environmental Engineering, Climate, Environment and Life Sciences, MIT Civil and Environmental Engineering, Cambridge, Massachusetts, USA.
• Connie Bryson, Science Editor, Alberta, Canada;
• Everton de Oliveira, President of Hidroplan, Director-President of the Instituto Água Sustentável (Sustainable Water Institute), Brazil;
• John Cherry, Adjunct Professor, University of Guelph; Professor Emeritus, University of Waterloo, Canada;
• Matthys Dippenaar, Associate Professor, Engineering Geology and Hydrogeology, University of Pretoria, South Africa;

We are grateful for comments from Drs. Behrad Gharedaghloo, Scott Ketcheson, and Pete Whittington on early versions of this document. We appreciate Amanda Sills and the Formatting Team of the Groundwater Project for their oversight and formatting of this book. We thank Eileen Poeter (Colorado School of Mines, Golden, Colorado, USA) for reviewing, editing, and producing this book.