Location: US-212 and 5th Ave, Belle Fourche Reassurance shield after US-85. Location: US-212 and Old Hwy 212, Butte Cty On the east side of Belle Fourche, US-212 will turn. Location: US-212 and Old Hwy 212, Butte Cty Turn left for 212 east. Turn right for old 212 back into town. Location: US-212 and Old Hwy … Continue reading U.S. Route 212, US-85 to SD-79