Transcribed from behind photograph, "Ludlow Yards of Tonapah and Tidewater Railroad, Santa Fe mainline through center of photograph, Ludlow and Southern at top right (smoke plume)."
From the Eileen Margaret Green Photograph Collection (PH-00229) -- Handwritten on envelope, "Brownstone Shelter, Brownstone 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 7. Painted Shleter, Brownstone Canyon."