Iowa Highway 316
... that 2⅓ miles (5.8 km) of Iowa Highway 316 form the border between Marion County and Warren County, Iowa?
... that 2⅓ miles (5.8 km) of <b id="mwA0I"><a href="./Iowa_Highway_316" id="mwA0M" rel="mw:WikiLink" title="Iowa Highway 316">Iowa Highway 316</a></b> form the border between <a href="./Marion_County,_Iowa" id="mwA0Q" rel="mw:WikiLink" title="Marion County, Iowa">Marion County</a> and <a href="./Warren_County,_Iowa" id="mwA0U" rel="mw:WikiLink" title="Warren County, Iowa">Warren County, Iowa</a>?