Acknowledgements

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

• Francis Chapelle, United States Geological Survey, United States of America;
• Bruce Rittman, Arizona State University, United States of America;
• Doug Mackay, University of California Davis, United States of America;
• Jim Barker, University of Waterloo, Canada;
• Jim Spain, Georgia Institute of Technology, United States of America;
• Dave McWhorter, Colorado State University, United States of America;
• Everton de Oliveira, Hidroplan, Brazil; and,
• Hugh Whiteley, University of Guelph, Canada.

We are grateful for Amanda Sills’ oversight of this book as well as Juliana Apolonio’s copyediting, both of the Groundwater Project, Guelph, Ontario, Canada. We thank Eileen Poeter (Colorado School of Mines, Golden, Colorado, USA) for technical editing, layout editing and production of this book.