A human skull found Tuesday, Feb. 7, at Robertsville State Park is that of a man between the ages of 40-50, according to Franklin County Sheriff Steve Pelton.

Now, investigators with the St. Louis County Medical Examiner’s office will attempt to extract DNA and carbon date the bone to determine how long it has been exposed to the elements.

“This process could take up to several weeks,” Pelton said.

The skull was located approximately 70 yards from Shiloh Cemetery which dates back to 1889 and is still in use today. It was located near railroad tracks on the south side of the state park.

The find was reported to the sheriff’s office Feb. 7 about 9 a.m. by a man who was in the area searching for deer antlers that had been shed.

Shiloh Cemetery is located off Highway O in the area of Johnson Lane. A grid search was conducted to look for any other remains or evidence.

The joint investigation was conducted by the Department of Natural Resources, The Missouri State Highway Patrol, Franklin County Sheriff’s Office and the St. Louis County Medical Examiner’s office.

Pelton said more information will be released as it becomes available.