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Visual Materials

Big Creek - Mammoth Pool - Outlet portal of power tunnel from inside the tunnel

Description: Big Creek - Mammoth Pool - Outlet portal of power tunnel from inside the tunnel.
Type: Visual Materials(Opens in new tab)
Date: 7/23/1958
Call number: photCL SCE 06 - 45405
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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