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  1. Boundary Dam Materials Investigation - showing volcanic material at the top of Carr Butte, California

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    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

  2. Boundary Dam Materials Investigation - Drilling on the Northwest slope of Carr Butte, California

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    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;...

  3. Boundary Dam Materials Investigation - Drilling operations on the Northwest slope of Carr Butte, California

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    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;...