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Visual Materials

Powerhouse #8

Description: Powerhouse #8 - 10 machines boring out Pioneer Tunnel at Camp 31
Type: Visual Materials(Opens in new tab)
Date: 9/15/1920
Call number: photCL SCE 02 - 06434
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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Powerhouse #8 - Tunnel interior
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Powerhouse #8 - W. Portal Tunnel #8l, Camp 32 general view
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