AMP: 47 Location: MT-13 and MT-25, Roosevelt Cty No reassurance shield after the MT-25 junction as we prepare to cross the Missouri River. AMP: 46 Location: MT-13 and S-528, McCone Cty Just after crossing the Missouri into McCone County, we’ll approach S-528. AMP: 46 Location: MT-13 and S-528, McCone Cty Turn right for S-528, which heads west for … Continue reading Montana Highway 13, MT-25 to S-528