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If a waterway's name states that it is a branch of a named waterway (for example the Wainuiomata River East Branch), it is assumed to be part of the same waterway rather than a new one and will keep the same tributary value. Due to the datasets used to build this dataset, it is best used for cartographic or topographic purposes. No guarantees can be made in terms of locational accuracy for the data at scales under 1:50k. If accurate location of water ways is required, see the high detailed streams dataset instead. 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