Introduction of dams and weirs mainly in the Chubu region, images, driving courses around dams, types of dams, dam terminology, etc. Please use this site to study civil engineering architecture and plan your dam tours and drives.
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Second Class Rivers are rivers other than First Class Rivers as defined by the River Law, which are administered by the prefectural government (governor). The term "second class" does not indicate the size of the river, such as width, etc. Therefore, a river may be a first class river even if its size is small, or a second class river even if its size is large.
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