Leonhardt, Carl C, DOWrite a Review815-431-9208Be the first to review!1640 1st Ave, Ottawa, IL 61350Hi there!Be the first to review!5First-class4Better than most3About what I expected2Not the worst...1DisappointingClick to RateMore Business InfoHoursDo you know the hours for this business?Other Linkhttp://leonhardtcarlcdoil.localsearch.comCategoryPhysicians & Surgeons Suggest an Edit