Original photograph: 13 x 10 cm, black & white photo, caption under photo reads "P12-201-4370 NA Klamath Project, OR-CA Kl. Str. Drain Enlargement, Phase II, Specs. 200C-954- RHC Constr., Inc., Contractor Center Canal Flume--Slide gate and coffer dam at inlet end of flume. May 21, 1977 USBR photo by D. J. Kline", from Black Binders Digital reproduction of photograph: P12-201-4370 NA Klamath Project, OR-CA, Black Binders, Bureau of Reclamation