[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.