Acknowledgments‌

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

• Thomas Doe, Principal, Golder Associates, and Affiliate Instructor, Department of Civil and Environmental Engineering, University of Washington, Seattle, United States of America;
• Fabrizio Agosta, Associate Professor, Department of Sciences, University of Basilicata, Potenza, Italy;
• Jonathan Munn, Post-doctoral Fellow, Morwick G360 Groundwater Research Institute, University of Guelph, Guelph, Canada;
• Matthys Dippenaar, Associate Professor, Engineering Geology and Hydrogeology, University of Pretoria, Pretoria, South Africa; and,
• Everton Oliveira, President of Hidroplan, Director-President of the Instituto Água Sustentável (Sustainable Water Institute), Brazil.

We appreciate the detailed suggestions of Dr. Agosta and candid critiques of Dr. Doe, along with the exercises and solutions provided by Jonathan Munn and Danilo Amendola. We are grateful for Amanda Sills and the Formatting Team of the Groundwater Project for their oversight and copyediting of this book. We thank Eileen Poeter (Colorado School of Mines, Golden, Colorado, United States of America) for reviewing, editing and producing this book.