a—ia

Session 11. 1923. NEW ZEALAND.

DEPARTMENT OF LANDS AND SURVEY. SURVEYS (ANNUAL REPORT ON).

Presented to both Houses of the General Assembly by Command of His Excellency.

CONTENTS.

General Report— i'age Appendix I— page Principal Survey-work performed during the Year, . (a.) Report by M. Crompton Smith, Chiof Draughtswith Tables A and B . . .. .. 2 manMinor Triangulation 3 H ead , office Draughting Staff .. .. 9 Settlement Surveys 3 -Draughtsmen ~Examination 9 v . „ J ~ (p.) Report by E. J. Williams, Tide-computer— Aative purveys ■ • • • • • • • > Computation and Reduction of Observations .. 9 Gold- and (oal-mmmg Surveys .. . ,i Comparison of Predictions with Actuality, 1921 10 Ceodetic Triangulatum .. .. ..3 Appendix ll—Surveyors Board .. .. .. 11 Standard Surveys .. .. .. ..3 Appendix lll—Report by H. F. Skey, B.Sc, Director Topographical Survey .. .. .. 3 of Magnetic Observatory .. .. ..11 Inspections .. .. .. .. ..3 Vector Diagrams .. .. .. ..13 Tidal Survey . . • • ■. 3 Monthly and Annual Curves of the Magnetic DeMean Values of the Harmonic Constants used in clination .. .. .. .. ..15 preparing the Tide-tables, Table C .. .. 4 Monthly and Annual Curves of the Horizontal Magnetic Observatory .. .. .. 5 Magnetic Force .. .. .. 16 Seismological Observations .. .. 5 Table of Hourly Values of the Magnetic Declination Mean Annual Values of the Magnetic Elements at and the Horizontal Force (bound separately). (Jhristcliuroh Observatory, Table D. .. ~ 5 Earthquake Reports .. .. .. ..18 Proposed Operations for 1923-24 .. .. 6 Appendix IV —Report by C. A. Mountfort on General .. .. .. .. 6 Standard Traverses, with Diagrams .. .. 20

The Surveyor-General to the Hon. Minister of Lands. Sir,— Wellington, Ist July, 1923.' I have the honour to present herewith the report on survey operations for the year ended 31st March, 1923. [ have, &c, W. T. Neill, Hon. D. H, Guthrie, Minister of Lands. Surveyor-General.

1 —C. IA.