bn:00324209n
Noun Concept
Categories: Fluvial landforms, Water streams, Rivers
EN
main stem  main stream  mainstem
EN
In hydrology, a mainstem is "the primary downstream segment of a river, as contrasted to its tributaries". Wikipedia
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EN
In hydrology, a mainstem is "the primary downstream segment of a river, as contrasted to its tributaries". Wikipedia
Final large channel of a riverine system Wikidata
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