Subject
3 free books about canals, free to read online. Chapter 1 of any book is free, no account needed.
Waterways and Water Transport in Different Countries With a description of the Panama, Suez, Manchester, Nicaraguan, and other canals.
J. Stephen Jeans
Irrigation works: the principles on which their design and working should be based, with special details relating to Indian canals and some proposed improvements
E. S. Bellasis
River and Canal Engineering, the characteristics of open flowing streams, and the principles and methods to be followed in dealing with them.