On July 2, 1863, the second day of the three day Battle of Gettysburg, an 18 month long rehabilitation project is currently taking place at Little Roundtop as the National Park Service is to preserve and protect the battlefield landscape and to add new signage for Gettysburg visitors. Archaeologist Stephen Braun and his team from Stantech, a consultancy company that also performs archaeological work, were sweeping the area with metal detectors when they hit upon something nearly 2ft underground. Quote it is standard procedure to use metal detectors on battlefields