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Boundary Dam Materials Investigation - Right spillway draw, looking up draw from near Drill Hole No. 7

KP-1429-R2 - Klamath Project. Region II. Boundary Dam Materials Investigation; April 23, 1947; Photo by Dorwin Grise
Boundary Dam Materials - Piles of pummaceous (pumiceous?) material from Test Pit No. 2

KP-1528-R2 - Klamath Project. Panorama with the photo KP-1529-R2 - Klamath Project; August 20, 1947; Photo by D.H. Gross
Boundary Dam Materials - Piles of silty sand from Test Pit No. 2

KP-1529-R2 - Klamath Project. Panorama with the photo KP-1528-R2 - Klamath Project; August 20, 1947; Photo by D.H. Gross

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