Names Released In Fatal Collision Near Spearfish Posted by John Axtell Date: March 22, 2021 1572 Views South Dakota authorities have released the name of the woman killed in a 2-vehicle accident last Thursday afternoon just outside the Spearfish city limits. 68-year old Mary Keats of Belle Fourche was pronounced dead at the scene. The preliminary crash information shows Keats was crossing Hwy 85 at East Colorado Blvd about 1:16 when her car collided in the intersection with a northbound car driven by 78-year old Barbara Bentz, also of Belle Fourche. Both Keats and Bentz were wearing seat belts. Bentz was not injured.