Clarks River
The Clarks River , named for William Clark of the Lewis and Clark Expedition , is a tributary of the Tennessee River in the Jackson Purchase region of western Kentucky . 
<triplet> Clarks River <subj> Tennessee River <obj> mouth of the watercourse <triplet> William Clark <subj> Lewis and Clark Expedition <obj> participant in <triplet> Lewis and Clark Expedition <subj> William Clark <obj> participant <triplet> Jackson Purchase <subj> Kentucky <obj> located in the administrative territorial entity