Original photograph: 17 x 12 cm, black & white photo, with "A" and "KP" written in front in pencil, caption under photo reads "Clear Lake Dikes - Upstream face, November 1909", white marks - lower left close to center + upper right, dark mark upper right, from Bright Blue Album Digital reproduction of photograph: Clear LakeDikes [sic] - Upstream face, Bright Blue Album, Bureau of Reclamation
