AMP: 83 Location: US-212 and MT-59, Powder River Cty Reassurance shield as 59 joins 212. The two routes concur through Broadus. AMP: 80 Location: US-212 and Powderville Rd, Powder River Cty Before we get to Broadus, we’ll approach S-398/Powderville Road, which is just a spur to nowhere.    N to S-391, S to S-544  E to S-544, W to … Continue reading Montana Highway 59, US-212 to S-398