CHRIS SCHNEIDER, Historical photo of Kathy Heimbuck (cq), 5. The Heimbuck girls were killed when the school bus they were riding was struck by a train killing 20 children on Dec. 14, 1961. (HANDOUT PHOTO/ROCKY MOUNTAIN NEWS) ** Kathy Heimbuck (cq) (12/11/2006), [434314489] . Denver Public Library Digital Collections, accessed 15/02/2026, https://digital.denverlibrary.org/nodes/view/781808



