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Visual Materials

Portal Powerhouse

Description: Portal Powerhouse - Excavation in inlet channel near vertical shaft north-west approx. 18' above bottom grade.
Type: Visual Materials(Opens in new tab)
Date: 8/15/1955
Call number: photCL SCE 02 - 43547
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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