Original photograph: 16 x 11 cm, black & white photo, with "A" and "KP" written in front in pencil, caption under photo reads "Clear Lake Dam - Waste channel excavation, October 25, 1909", white intrusions, right edge - center, dark line, lower right, from Bright Blue Album Digital reproduction of photograph: Clear Lake Dam - Waste channel excavation, Bright Blue Album, Bureau of Reclamation
