1: The entrance to site 1460. (photo: Pete Smith, 2000?)
2: The entrance to site 1460. (photo: Harry Long, 2009)
3: Bob Cawthorne in the entrance to site 1460. (photo: Ted Cawthorne, 2010)
4, 5: The entrance to site 1460. (photos: Juan Corrin, July 2022)