Original photograph: 13 x 10 cm, color photo, caption under photo reads "CN-12-201-175NA Klamath Project - Oregon-California Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-857 - Don E. Johnson Construction Company, Contractor. View of rear of Vermeer trencher. 10-11-72 Bureau of Reclamation photo by D. W. Stein", from Black Binders Digital reproduction of photograph: CN-12-201-175NA Klamath Project - Oregon-California, Black Binders, Bureau of Reclamation