Singapore. Provisional Issue
Map shows contours, physical landscape, rubber estates, trigonometrical stations, sandbanks, mangrove swamps, villages, Pulau Tekong, Pulau Tekong Kechil, Pulau Sajahat, Pulau Sanyongkong, Calder Harbour, Johore Strait, and others
Sheet 5, First Edition, Survey Department, Federation of Malaya No.16-1953