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84. The "Copycat" printing outfit produced 3,543 prints and the "Photostat" reproduction outfit produced 4,148 prints.
85. Two maps in colour, one covering Hong Kong and New Territories, the other the Hong Kong-Canton-Macau region were produced for the Annual Administrative Report.
86. Surveys.
Trigonometrical Surveys:-Fifteen minor stations in Hong Kong and one minor station in the New Territories were revalued during the year. Five beacons were rebuilt. Iron tripods were erected on one main station and four on minor stations on the Island.
87. Observations were made on seven main and twenty-three minor trigonometrical stations on the Island and two main and five minor stations in the New Territories.
88. Revenue Surveys:-Surveys were made for lease plans for 76 lots covering 231 acres. In addition, 103 lease plans were prepared but not reported complete pending payment of fees for boundary stones. Surveys were also made for renewal of leases at 16 lots covering 13 acres and for surrenders at 49 lots covering one acre. 246 lots covering about 144 acres were set out, and 639 boundary stones were fixed to mark 147 lots.
89. Picket Boxes:-38 new picket boxes were fixed, two were renewed and 75 were revalued. Three milestones in the New Territories were valued.
90. Land Surveys:-Surveys were carried out over 28 acres of land occupied by the Services and over 11 acres of land occupied by Government Departments. In addition, traverses with a total chainage of 115,587 feet were completed.
91. Colony Survey:-New survey of 2,283 acres with a chainage of 196,372 feet and the revision of the survey of 26.6 acres with a chainage of 21,935 feet were carried out.
92. General:-In connection with road widening and rebuilding schemes, 42 areas or alignments were set out. In addition, 220 building and frontage lines for 88 lots were checked. 38 areas covering 312 acres were surveyed in connection with adjustment of boundaries.
93. Contour Surveys and Levelling:-Contour surveys covered over 2,213 acres with a chainage of 156,225 feet. Spot levelling was completed over nine acres and levels were