Two Sparta teenagers were injured as a result of a two-vehicle ATV accident Saturday night.  Monroe County Sheriff Peter Quirin said, “about 8:45pm 15-year old Gage Kroger was traveling east on Kellogg Avenue at Kermit Avenue in the Town of Ridgeville.  Kroger did not see the ATV in front of him slow to make a corner and crashed into the back of the ATV being operated by 15-year old Hunter Marty.  Both Kroger and Marty received non-life threatening injuries.  Kroger was transported by med-link air to Gundersen Lutheran Hospital in La Crosse.  Marty was transported by Wilton ambulance to a Sparta hospital.