18

5.—27.

In concluding my report I hare pleasure in calling attention to the ready and efficient assistance I have received from the Inspector, the officer in charge of the Land Transfer branch, the officers m charge of the plotting and compilation of the block-maps in Ohnstchurch and Timaru, the Oniet Draughtsman and the Accountant, and the other officers generally. ° John xi. .Baker, Chief Surveyor.

Minor Triangulation, 1879-80. Closing Errors.

Mean error per mile of the whole of the aboye = 0- 78.

WESTLAND. The work done during the year ending 30th June, 1880, consists of :— Major Tbiangtoatios-. Total area completed, 325,653 acres, at a cost of To7d. per acre. In myTast report I expressed the hope to be able to carry this work to Karangaraa BiVer, and to complete 500 square miles, equal to 320,000 acres. As to area, 1 have succeeded; but the major trian Kulation does not extend to Karangarua Eiver-it barely reaches Weheka, or Cook s River. The reason is that the services of Mr. Eoberfcs, the officer employed at this survey, were, with your Ban* tion engaged in carrying the Westland triangulation across the mam dividing range mto Canterbury S healwaters of the Big Wanganui Eiver. Amongst great and exceptional difficulties this was

Survey by Survey by Difference. Error per Mile. Mean Error per Mile. Survey District. Lines. Lrowhenua ... ■•• ) 'areora... ... ■•• j D-A A~H H-J J-S S-Q W. Kilson (old work) 20,041-6 31,855-6 26,514-3 11,801-4 32,859-9 T. Maben. 31,742-1 19,496-1 H. Maitland. 20,047-8 31,851-4 26,510-2 11,798-9 32,860-5 W. A. Harper. 31,744-5 19,496-0 II. Maitland. 27,046-7 28,970-1 W. A. Harper. 29,539-6 25,864-7 25,419-7 20,787-1 17,6063 22,666-9 30,865-4 21,878-6 12,8796 J. S. Welch. 10,315-7 11,795-7 J. E. Pickett. 6-2 4-2 4-1 2-5 0-6 2-47 1-05 1-24 1-70 013 1 1-32 lackenzie ... '" (. Dalgety-E E-G 2-4 0-1 0-60 0-04 } 0-32 )pawa ... ... ■•• | O-M M-K 27,049-0 28,970-8 2-3 0-7 0-68 0-19 ) 3 0-44 Jurke and Mackenzie ... < r 'ukaki East and Gladstone -j I B-S S-TJ XJ-T V-DD DD-BB BB-P P-Q' Q'-VV YV-S 29,536-6 25,858-6 25,417-2 20,7867 17,602-9 22,663-2 30,862-5 21,879-0 12,879-4 J. E. Pickett. 10,314-5 11,796-0 C. W. Adams (Standard Survey). 10,584-00 7,765-12 C. W. Adams (Standard Survey). 17,489-47 J. E. P. Coyle. 26,914-8 34,301-4 27,162-0 34,634-3 27,042-2 25,528-3 H. Haitian d. 19,354-6 22,969-0 31,869-3 21,728-3 '25,595-8 19,747-2 35,787-0 17,396-5 22,201-0 12,184-0 21,318-7 22,950-2 24,787-0 3-0 61 25 0-4 3-4 3-7 2-9 0-4 0-2 0-81 1-65 0-79 0-15 1-55 1-31 0-75 015 0-12 1 J 0-81 Jhristchurch ... '" \ N-M M-A 1-2 0-3 0-93 0-20 1 0-56 ( P-J N-0 10,581-5 7,765-0 J". S. Welch. 2-5 0-12 1-89 0-10 1-00 !hristehurch ... '" \ 17,4.87-5 H. Maitland. 26,910-2 34,304-6 27,162-3 34,630-9 27,036-4 25,524-3 H. Maitland. 19,352-1 22,968-5 31,869-4 21,728-2 25,593-5 19,746-8 35,781-8 17,394-5 22,198-1 12,184-5 21,319-1 22,948-4 24,783-4 1-97 0-92 0-92 Jhristehurch } 0-99 )puba ... ... >•• ?engawi... )pihi ... ... ••• j H-G G-I I-L L-M M-W W-Q 4-6 3-2 0-3 3-4 5-8 4-0 1-37 0-75 0-09 0-79 1-72 1-25 )pihi ... ... ■■■ 1 r )pawa and Tengawi ... j S Q-T V-I7 tl-R E~S S-T T-A A-C O-E 1 F-U U-W W-0 O-TJ U-A 2-5 0-5 01 0-1 2-3 0-4 5-2 2-0 2-9 0-5 0-4 1-8 3-6 1-03 0-17 0 03 0-04 0-72 0-16 1-16 092 1-05 0-33 0-15 0-63 1-16 1 [ J 0-58 5urke and Tongawi ... j )pawa... ••• •■■ \