3
An example of the work done by the Survey
..
Photogrammetric Survey
On the right is a portion of a survey Scale 1/1200
(100 ft. to 1 inch)
prepared by photogrammetric methods from the air photograph shown on the left. Detail hidden by trees has to be supplied by ground survey.
This shows a typical New Territories village surrounded by cultivation and trees.
Photo by Hunting Surveys see para. 5.17