Original photograph: 10 x 13 cm, black & white photo, caption under photo reads “P-12-200-4175NA Klamath Project - Oregon-California Reinforced 24" gate frame before addition of walkway, SE corner of Lot #10b, Straits Unit East. April 1976 USBR photo by Bob Hamilton", from Black Binders Digital reproduction of photograph: P-12-200-4175NA Klamath Project - Oregon-California, Black Binders, Bureau of Reclamation
