Impey River
The Impey River is a river in the Mid West of Western Australia which rises south of Mount Murchison and flows east-north-east until it merges with the Murchison River of which it is a tributary . 
<triplet> Impey River <subj> river <obj> instance of <subj> Western Australia <obj> located in the administrative territorial entity <subj> Murchison River <obj> mouth of the watercourse <triplet> Mid West <subj> Western Australia <obj> located in the administrative territorial entity <triplet> Murchison River <subj> Impey River <obj> tributary <subj> river <obj> instance of <subj> Western Australia <obj> located in the administrative territorial entity <triplet> tributary <subj> river <obj> subclass of