Lumber River
Soon after crossing into South Carolina , the Lumber River flows into the Little Pee Dee River , which flows into the Pee Dee River , or Great Pee Dee River . 
<triplet> Lumber River <subj> Little Pee Dee River <obj> mouth of the watercourse <triplet> Little Pee Dee River <subj> Lumber River <obj> tributary <subj> Pee Dee River <obj> mouth of the watercourse <triplet> Pee Dee River <subj> Little Pee Dee River <obj> tributary