DELAWARE COUNTY, OK--- It happened Tuesday morning around 7:30 on US 59, five miles south of Jay, OK. According to reports a car driven by Krista Summerfield, 37, of Jay, failed to negotiate a curve, left the roadway, and overturned down a steep embankment. The car then struck a tree and Summerfield was ejected from the vehicle. The wreck was not discovered until Wednesday around noon. Summerfield was pronounced dead at the scene.