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Visual Materials

Big Creek - Mammoth Pool - Beginning of sump excavation in the powerhouse

Description: Big Creek - Mammoth Pool - Beginning of sump excavation in the powerhouse.
Type: Visual Materials(Opens in new tab)
Date: 12/12/1958
Call number: photCL SCE 06 - 45718
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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