Jefferson County Coroner Christopher Burkett has notified Punxsutawney State Police that Forensic Pathologist Dr. Samuel Land of Lehigh Valley Hospital in Allentown has performed autop sies on both victims in an acci dent Tuesday. The cause of death was found to be drowning. Robert G. Baughman of Cor sica and Dianna Kerr of Brookville were found dead at the scene Wednesday at 7 a.m. by a passing motorist. Mr. Baughman, the driver of the pickup, swerved right for an unknown reason while traveling south along Swamp Run Road about 10 miles south of Brookville. His vehicle went off the bridge and landed on its roof in six feet of water, trapping both inside. Although the accident occurred at approximately 1:45 a.m., the individuals were not discovered until 7 a.m.