A Porcupine woman was listed in good condition Monday at Rapid City Regional Hospital after being injured in a one-vehicle rollover on a gravel road 2 miles east and 3 miles north of Oelrichs at 6:45 p.m. Sunday.

Driver Matthew James Dearly, 21, of Oglala was flown from the scene to Rapid City Regional Hospital. He was discharged Monday. Valentina Rae Makes Him First, 24, was initially treated at Fall River Hospital in Hot Springs and then flown to Regional Hospital.

Back seat passenger Charles Hecrow, 22, of Oglala was treated at Fall River Hospital and released.

No one in the car was wearing a seatbelt.

Speed and alcohol contributed to the accident, according to the South Dakota Highway Patrol.