Original photograph: 13 x 10 cm, black & white photo, caption under photo reads "KP-2440-R2 - ENTERPRISE POWER PLANT - Klamath Project. Contractor cleaning out hole in afterbay preparatory to backfilling. View from generator floor. K. J. Greene, Photo. February 22, 1958", from Black Binders Digital reproduction of photograph: KP-2440-R2 - ENTERPRISE POWER PLANT - Klamath Project, Black Binders, Bureau of Reclamation