KNIFE RIVER AN MDU RESOURCES COMPANY Knife River's Watford City location now carries decorative landscape rock!! Washed and crushed rock, cobbles and washed sand along with crushed concrete, road gravel and ready-mix concrete!! KNIFE FIVE Established accounts or credit card only Call (701) 580-7939 or (701) 580-4527 for details!! KNIFE RIVER AN MDU RESOURCES COMPANY Knife River's Watford City location now carries decorative landscape rock!! Washed and crushed rock, cobbles and washed sand along with crushed concrete, road gravel and ready-mix concrete!! KNIFE FIVE Established accounts or credit card only Call (701) 580-7939 or (701) 580-4527 for details!!