CN-12-201-186NA Klamath Project - Oregon-California. View of trenching machine and hopper unit; December 1972; Bureau of Reclamation photo by D. W. Stein
Title
Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor
Original photograph: 13 x 10 cm, color photograph, caption under photo reads “CN-12-201-186NA Klamath Project - Oregon-California Closed Drain Construction - Tule Lake Sump 3 - Specs. No. 200C-842, Patterson Constr. Co., Contractor View of trenching machine and hopper unit. Dec. 1972 Bureau of Reclamation photo by D. W. Stein
, from Black Binders. Digital reproduction of photograph: CN-12-201-186NA Klamath Project - Oregon-California, Black Binders, Bureau of Reclamation