Authorities identify the person who collided yesterday with a train in Lake Crystal. The Blue Earth County Sheriff's department reports William Henry Epper of Nicollet was driving on County Road 112 when he was struck by a train at a crossing east of Lake Crystal. Authorities say witnesses report hearing the train blow its horn several times before the collision. They also report he did not make a complete stop at the crossing, and the front of his car was struck by an oncoming train. Epper was taken by ambulance to Mayo Clinic health system Mankato. His condition is unknown. There were no other injuries.