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bject, and ome to the conclusion that the amount of shoaling was much lone than was suggested by Kr. Boulton,
but stated that "it is of great importance that the "question which has been raised with regard to the silting
"should be carefully considered and thoroughly investigated", and proposed that a very complete survay of sertain portions
of the Harbour should be carried out.
16.
As far as we know the recommendations then made
have not been carried out, and we consider that na further
delay should secur in making a systematic survey of the portion of the Harbour to the west of the North and South line through the Observatory. This survey should be made
en standard lines so that all soundings and other obsery- ations can be repeated on the same lines from time to time
77.
fa de net consider it possible or necessary in
Hong Kong Harbour to make observations at such close
At intervals as are adopted in some other harbours. Calombe for instance the whole area of the harbour, amount- ing to 643 sores, is divided up inte squares the length of whose sides is 200 feet, and a continuous record of the amount of shealing and dredging in each square is recorded. If standard lines at mich greater intervals were laid out in the western portion of Hong Kong Harbour, it should be
It may not be sufficient for immediate requirements. possible to lay out the lines so as to divide that portion of the Harbour into restangular compartments, and it may
be more convenient to adept radiating lines, or to work
The exact method on partly one system and partly another. can only be arranged on the site and depends on the easiest method of fixing points in the water from fixed points on
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