Original photograph: 13 x 10 cm, color photograph, caption under photo reads “CN-12-201-207NA Klamath Project - Oregon-California Closed Drain Construction - Tule Late Sump 3 – Specs. No. 200C-842, Patterson Constr. Co., Contractor View of workman in trench. Feb. 1973 Bureau of Reclamation photo by D. W. Stein", from Black Binders. Digital reproduction of photograph: CN-12-201-207NA Klamath Project - Oregon-California, Black Binders, Bureau of Reclamation
