KEN PAPALEO, While the aspens are aglow, automobiles head east down Monarch Pass on hwy 50 late Sunday afternoon September 17, 2006. This is the prime time for viewing aspens on this pass (KEN PAPALEO/ROCKY MOUNTAIN NEWS) (09/20/2006), [433979842] . Denver Public Library Digital Collections, accessed 08/11/2025, https://digital.denverlibrary.org/nodes/view/768578




