Original photograph: 18 x 13 cm, black & white photo, caption under photo reads "KP-1447-R2 - Klamath Project. Region II. Boundary Dam Materials Investigation. Right spillway draw, looking up draw from near Drill Hole 126-D. Dorwin Grise, Photo. April 23, 1947", tear upper right; from Black Binders Digital reproduction of photograph: KP-1447-R2 - Klamath Project. Region II. Boundary Dam Materials Investigation, Black Binders, Bureau of Reclamation