Marathon County authorities are investigating a Saturday night crash that claimed the life of a Mosinee man. The sheriff’s department says 49 year old Randall J. Corazalla was driving a pick-up south on County Hiway “Y” in the Town of Reid, south of Hatley, when the vehicle left the roadway and overturned. Corazalla was ejected during the rollover, and died at the scene. The crash happened just after 7 pm. Corazalla is the 7th person to die in a Marathon County traffic crash this year.