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Visual Materials

Big Creek - Mammoth Pool - Tunnel in area of "Hole Thru" from Rock Creek to outlet

Description: Big Creek - Mammoth Pool - Tunnel in area of "Hole Thru" from Rock Creek to outlet.
Type: Visual Materials(Opens in new tab)
Date: 5/13/1959
Call number: photCL SCE 06 - 45936
Find out more: View in the Huntington Digital Library(Opens in new tab); View in the Library catalog(Opens in new tab)

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Big Creek - Mammoth Pool - Tunnel in area of "Hole Thru" from Rock Creek to outlet
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Big Creek - Mammoth Pool - Developing outlet portal area of power tunnel
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Big Creek - Mammoth Pool - Diversion tunnel outlet from inside
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