Original photograph: 13 x 10 cm, black & white photo, caption under photo reads "P12-200-2807A Klamath River - Klamath Project - Oregon Dynamite blast by M K Company to loosen upstream plug, Keno By-pass Channel. 3/20/65 (10:00 AM) Bureau of Reclamation photo by G. R. Logan", from Black Binders Digital reproduction of photograph: P12-200-2807A Klamath River - Klamath Project - Oregon, Black Binders, Bureau of Reclamation