GOVERNMENT CAMP, OR -- A Lake Oswego woman and her daughter were killed in a crash that shut down Highway 26 over Mt. Hood for several hours Christmas day. According to State Police, 48-year-old Deirdre Mackey was eastbound near the Highway 35 junction when her car lost traction, just before 3:30 Monday afternoon. Her car was struck by a westbound vehicle driven by a Portland man. He and his passenger were taken to the hospital with non-life threatening injuries. Mackey and her 12-year-old daughter were pronounced dead at the scene.