Mankato (KMKO)-A North Mankato man was injured yesterday in single vehicle roll-over.  According to the state patrol, 40-year-old James Kachelmeier was merging from Highway 22 onto westbound Highway 14 when he lost control of his Chevy Trailblazer and rolled.  Kachelmeier suffered non-life threatening injuries in the crash, which happened just after 1:00 yesterday afternoon.  He was alone in the vehicle.