(Alto) A Green Lake County man died as the result of a medical condition while driving a milk tanker truck near Alto Monday afternoon. The Fond du Lac County Sheriff’s Office says the westbound milk truck operated by August Neubauer drove off County Road A-S approximately 40 yards into the cornfields just west of State Highway 49. A passerby noticed the truck in the cornfield at 2:13pm and called 9-1-1. First responders attempted C-P-R but the 56-year-old Berlin man was later pronounced dead. The crash remains under investigation.