Location: US-18 at the Wyoming Line, Fall River Cty Reassurance shield as we enter South Dakota. US-18 will cross this fine state en route to Wisconsin Location: US-18 and CR 8, Fall River Cty Reassurance shield after a county road as we skirt the northern edge of Buffalo Gap National Grassland on our way towards … Continue reading U.S. Route 18, WY State Line to SD-471