In this photo provided by John Crawmer, Jane C. Skinner and Samantha Muscella excavate post holes at the bottom of a stockade trench, Thursday, Oct. 27, 2022, in York, Pa. Researchers say they have solved a decades-old riddle by finding remnants of the stockade and therefore the site of a prison camp in York, that housed British soldiers for nearly two years during the American Revolutionary War. (John Crawmer via AP)