The Defiance Post of the Ohio State Highway patrol is investigating an injury crash on County Road O at County Road 1 in Williams County between a snow plow and all-terrain vehicle. Mason Douglas, 55, was driving the plow westbound on County Road O., clearing snow from the roadway. Chase Prince, 23, was southbound on County Road 1. Officials say Douglas failed to yield the right of way from a posted stop sign and struck Prince’s vehicle. Prince was taken to Parkview Montpelier with non-life threatening injuries. His passenger, Jamie Prince has non-life threatening injuries. State and local officials are handling the post-crash investigation.