Oxbow Cemetery, also known as Callahan Cemetery, in Murdock, Nebraska, is rumored to be haunted by ghostly children. Legend says that a young girl, May Carter, was the first person buried there after being killed in a school collapse during a windstorm, and her father donated the land for the cemetery. Some stories claim her tombstone has disappeared, and visitors have reported hearing children playing in the cemetery. Ghostly children are said to play there. A story mentions a girl named May Carter who died in a school collapse, with her father donating the land for the cemetery, where she was the first to be buried. There are reports that May Carter's tombstone has vanished from the graveyard. Some accounts suggest that visitors have heard children playing in the cemetery.