The inconsistent use of periods after Roman numerals has been retained; other inconsistencies (spelling, hyphenation, formatting and lay-out) have been retained as well, except when mentioned below.

Depending on the hard- and software used and their settings, not all elements may display as intended. Some of the tables are best viewed in a wide window.

Page 21: The equation does not agree with the calculations given.

Page 66, Fig. 11: There are two illustrations labelled Fig. 11, the hyperlinks point to the appropriate illustration.

Changes made

Obvious typographical errors have been corrected silently. Footnotes and illustrations have been moved out of text paragraphs. Some tables have been re-arranged or split; in several tables, the data alignment has been standardised.

Page 18, table, Total of second column: 8·93 changed to 8·01

Page 39: Kutters changed to Kutter’s

Page 93: marked out changed to marked at

Page 69: 3 Depth of digging changed to 13. Depth of digging

Page 109, first average ·1 changed to 4·1

Page 117: Net Areas Irrigated in Areas changed to Net Areas Irrigated in Acres

Page 150: Cusecs. added as in similar tables

Index: Cattle Ghats changed to Cattle GhÁts; Line for making ... changed to Lime for making ...; Lower Chenal Canal changed to Lower Chenab Canal.