Original photograph: 13 x 10 cm, black & white photo, caption under photo reads “P-12-200-41NA Klamath Project - Oregon-California Construction of State Line Drain by Klamath Drainage District. View of excavated material placed by front end loader. December 1975 USBR photo by R. J. Hamilton", from Black Binders Digital reproduction of photograph: P-12-200-41NA Klamath Project - Oregon-California, Black Binders, Bureau of Reclamation
