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Boundary Dam Materials Investigation - Trench near the top of Carr Butte, California
KP-1305-R2 Klamath Project. Boundary Dam Materials Investigations. Region II. Carr Butte area trench pit #2 near top of the Butte coarse, red volcanic cinders; February 6, 1947; Photo by Dorwin Grise
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Boundary Dam Materials Investigation - showing volcanic material at the top of Carr Butte, California
KP-1306-R2 Klamath Project. Region II. Boundary Dam Materials Investigation. Carr Butte area showing red volcanic cinder material at TP #2 near top of Butte; February 6, 1947; Photo by Dorwin Grise
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Boundary Dam Materials Investigation - Drilling on the Northwest slope of Carr Butte, California
KP-1303-R2--Klamath Project. Region II. Boundary Dam Materials Investigation. Carr Butte area PH #9 showing rotary drill and drilling operations, sand silt material on lower part of NW slope of Carr Butte;...
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Boundary Dam Materials Investigation - Drilling operations on the Northwest slope of Carr Butte, California
KP-1304-R2--Klamath Project. Region II. Boundary Dam Materials Investigation. Carr Butte area PH #9 showing rotary drill and drilling operations, sand silt material on lower part of NW slope of Carr Butte;...
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Boundary Dam Materials Investigation - View of Carr Butte, California, showing gravel ridge and Northwestern slope on which...
KP-1310-R2 Klamath Project. Region II. Boundary Dam Materials Investigation. Carr Butte area. Horizontal lines are roads made by bulldozer on levels of power-angle holes; February 6, 1947; Photo by Dorwin...
