A Casper woman died in a single vehicle rollover early Monday morning.  The Wyoming Highway patrol reports that 40-year-old Karla D. Farnham,  was traveling north on Salt Creek Highway just after midnight.

"The driver was not wearing a seat belt and when the pick up rolled over numerous times the driver was totally ejected from the cab of the pickup."

Patrol Sgt. Steven Townsend, says Farnham left the roadway at around milepost three, north of Casper, as she was negotiating a turn.

He says the accident remains under investigation. "Troopers are looking at drug use as a possible contributing factor in this crash so we're awaiting  toxicology reports to come back which may take a couple of weeks."