A Kalona man has been sentenced to 15 years in prison after being convicted on child endangerment charges Friday. 46 year old Joseph Schrock was also convicted as a habitual offender. Washington County Attorney Barb Edmondson says the charges against Schrock stem from a September 2007 incident which left a four year old seriously injured. Edmondson says evidence presented at his trial shows Schrock was riding an A-T-V without the owner’s permission and crashed with the four year old as a passenger. She says Schrock had been drinking prior to the accident, and that his actions delayed emergency medical care for the child. According to the investigation, there was a 40-foot trail of blood and debris at the crash site. In addition to his prison sentence, Schrock must also pay Washington county nearly $10-thousand for costs relating to being held in jail.