PALMDALE (CBSLA) — A body recovered from Lake Palmdale Thursday was believed to be that of a 34-year-old man who was reported missing.

Robert Lewis Mercer was seen arriving at Lake Palmdale at about 7 a.m. Wednesday. An empty boat was found floating on the lake several hours later.

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Los Angeles Sheriff Department’s Special Enforcement Bureau divers and the Los Angeles County Fire Department began their search around 10 a.m. on Wednesday until 5 p.m. before resuming Thursday morning.

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Shortly after noon, the sheriff’s Special Enforcement Bureau tweeted that the “LASD sonar and dive operation has concluded. Missing boater has been recovered from the lake.”

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The man’s identity and cause of death were still to be determined by the Los Angeles County Medical Examiner-Coroner.