Detailed map of Victoria Harbour produced by D Survey, War Office and Air Ministry in 1957.
There is a diversity of information communicated by the map including built-up areas, villages, "temporary native quarters", and isolated buildings in some cases. Post offices, telegraph offices, and joint offices are shown.
The map shows the Kai Tak Airport with the extension to runway 13/31, which was completed in 1957, the same year as the map.
This is I-GSGS Series L8811 Sheet 19