From the Eileen Margaret Green Photograph Collection (PH-00229) -- Handwritten on envelope, "Side Canyon, Arrowhead Canyon. (from her MA thesis. A Cultural Ecological Approach to the Rock Art of Southern Nevada, GN 799 P4 G73x 1987a)". Handwritten on the back of the photograph, "Figure 6. Side Canyon, Arrow Canyon."
Photographs from the University of Nevada, Las Vegas Creative Services Records (2010s) (PH-00388-05). St. Thomas was abandoned as Lake Mead filled after the completion of Hoover Dam. At times when the lake is full, St. Thomas lies under 60 feet of water, but at times of lower water levels, the town's foundations can easily be seen.