Video - Dallas County News
Posted on August 2, 2013 at 6:54 PM
Updated Friday, Aug 2 at 7:21 PM
“I have to crack these rocks open, extract the bones from there - chisel them out,” explained paleontologist Ron Tykoski, who is the museum’s fossil preparator. He said it can take years to get a fragile, 70-million-year-old skull out of a rock.