South Yamhill River
The South Yamhill River is a tributary of the Yamhill River , approximately long , in northwest Oregon in the United States . 
<triplet> South Yamhill River <subj> Yamhill River <obj> mouth of the watercourse <triplet> Yamhill River <subj> South Yamhill River <obj> tributary <subj> Oregon <obj> located in the administrative territorial entity <subj> United States <obj> country <triplet> Oregon <subj> United States <obj> country <triplet> United States <subj> Oregon <obj> contains administrative territorial entity