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The southern drainage pump station almost blocks off the regulation pond (on the right) and the western waterway (on the left). The long waterway in the center is the central main drainage channel ©Oga Peninsula/Ogata Geopark
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[History of Hachirogata reclamation ③] Earth lower than sea level... The lifeline is water management [Ogata Village, Akita Prefecture]

Table of Contents 1: Water from the reclaimed land, which is 700 million tons surrounded by embankments, is discharged outside using a large pump. 2. A tide gate is constructed on the Funakoshi Waterway, which connects Hachirogata and the open sea, and cuts it off from the sea. 3. The foundation work of the drainage canal is carried out during the construction of the embankment...

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