Two people died in crashes in western KELOLAND Saturday.
In the first crash, the motorcyclist went into the ditch along Highway 85, about 14 miles south of Cheyenne Crossing, according to the Highway Patrol .
The driver was not wearing a helmet.
Authorities say later that day, a side-by-side rolled about three miles east of Deadwood. The 53-year-old driver died en route to the hospital.
The passenger has serious injuries, but is expected to recover.
The two men were wearing seatbelts, but not helmets.