Acknowledgements
We are grateful to the following individuals and organizations who have
kindly given permission for the reproduction of copyright material (figure
numbers in parentheses):
Thomas Telford Ltd (4.1, 4.2); US Bureau of Reclamation (4.3, 4.7,
4.15, 4.16, 5.6, 5.7); Elsevier Science Publishers (4.5, 4.12, 4.13, 5.5, 5.8,
5.10. 11.1, 11.2, 11.10, 11.11, 11.16, 11.17, 11.18, 12.17); British Hydro-
mechanics Research Association (4.11, 13.6, 13.9); Institution of Water
and Environmental Management (4.18); ICOLD (4.19, 4.20); Figures 4.21,
6.2, 6.3, 6.4 reproduced by permission of John Wiley & Sons Ltd, from
H.H. Thomas, The Engineering of Large Dams, © 1976; C.D. Smith (6.6,
6.7); MMG Civil Engineering Systems Ltd (8.20); E. Mosonyi (9.12, 9.13,
12.17); International Institute for Land Reclamation and Improvement,
the Netherlands (10.14, 10.15); Morgan-Grampian Book Publishing (11.1,
11.5); Delft Hydraulics (11.7); Macmillan (14.12); C.A.M. King (14.13);
C. Sharpe (11.2); J. Lewin (6.1, 6.2).
Cover image courtesy of Ingetec S.A. Colombia (Dr A. Marulanda)