Original reproduction of photograph: 17 x 12 cm, black & white photo, with "NA" and "KP" written in front in pencil, caption under photo reads "Clear Lake Dam - Fiftyfour [sic] men carrying 2,000-lb. derrick boom, June 26, 1909", blurs/blotchiness present on photo (long exposure - horse?), from Bright Blue Album Digital reproduction of photograph: Clear Lake Dam - Fiftyfour men carrying 2,000-lb. derrick boom, Bright Blue Album, Bureau of Reclamation
