for a living camp in addition to the scientific space requirements. The water distance between Biijiri Island and Rojoa Island is relatively short and it is planned to construct pier-type trestle connection between these two islands and thus make one continuous unit out of the three islands, Aomon, Biijiri and Rojoa, there already being a causeway between Aomon and Biijiri. More detailed discussion of the design and construction problems involved and the method of handling these is covered in the following sections. 10

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