BP - Harms Oil Co ← View details 21505 South Dakota 13, Elkton, SD 57026 Suggest an Edit Name* State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 05:30 am — 11:00 pm Tuesday: 05:30 am — 11:00 pm Wednesday: 05:30 am — 11:00 pm Thursday: 05:30 am — 11:00 pm Friday: 05:30 am — 11:00 pm Your comments * — Required information