Dean Krakel, A rich carpet of Marshmarigold flowers bloom at 12,000 feet above sea level in the sub-alpine environment of Ice Lake Basin in the San Juan Mountain Range of south western Colorado. The Marshmarigold is also known as Cowslip. (06/12/2006), [433572421] . Denver Public Library Digital Collections, accessed 23/06/2025, https://digital.denverlibrary.org/nodes/view/945632