Beam, George L. (George Lytle), 1868-1935, Leadville mining district - Mt. Elbert at left, Mt. Massive center right, as seen from the lower west slope of Iron Hill above the Yak Tunnel and Mine Complex in California Gulch, near Leadville, Colorado. (1908). Denver Public Library Digital Collections, accessed 12/05/2026, https://digital.denverlibrary.org/nodes/view/1073988



