AMP: 47 Location: US-87 and US-12, Musselshell Cty Reassurance shield after the 12 split. AMP: 46 Location: US 12 and Valley Rd, Klein, Musselshell Cty A mile later, we’ll enter unincorporated Klein AMP: 45 Location: US 12 and Valley Rd, Musselshell Cty Reassurance shield as we head out of Klein AMP: 25 Location: US-87 at … Continue reading U.S. Route 87, US-12 to MT-264