[15] Rivers and Canals, Harcourt.

[16] Rivers and Canals, Harcourt.

[17] The foundations of piers and abutments should be deep enough to allow of this.

[18] Report on the Revised Estimate, Upper Jhelum Canal.

[19] Revised Estimate of the Upper Jhelum, Upper Chenab, and Lower Bari Doab Canals.

[20] See also Note on p. 161.

[21] The height of a wave is supposed to be 1·4√(fetch), but this allows nothing for splashing.

Transcriber’s Note:

Obvious printer errors corrected silently.

Inconsistent spelling and hyphenation are as in the original.