niobrara

Noun
  1. A tributary of the Missouri River (synset 109394727)
    is an instance of: river - a large natural stream of water (larger than a creek)
    is a part of: america, the states, u.s., u.s.a., united states, united states of america, us, usa - North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
    same as: niobrara river

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