North Dakota Highway 1806
ND 1806 consists of four separate segments , running along Lake Sakakawea and the Missouri River in McKenzie , Dunn , Mercer , Oliver , Morton , and Sioux Counties . 
<triplet> Lake Sakakawea <subj> Missouri River <obj> inflows <triplet> McKenzie <subj> Dunn <obj> shares border with <triplet> Dunn <subj> Mercer <obj> shares border with <triplet> Mercer <subj> Dunn <obj> shares border with <subj> Oliver <obj> shares border with <subj> Morton <obj> shares border with <triplet> Oliver <subj> Mercer <obj> shares border with <subj> Morton <obj> shares border with <triplet> Morton <subj> Mercer <obj> shares border with <subj> Oliver <obj> shares border with <subj> Sioux <obj> shares border with <triplet> Sioux <subj> Morton <obj> shares border with