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Visual Materials

Portal Powerhouse - Forebay

Description: Portal Powerhouse - Forebay - Progress picture of forebay earth and rock fill dam.
Type: Visual Materials(Opens in new tab)
Date: 9/8/1955
Call number: photCL SCE 02 - 43700
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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Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - Impervious fill upstream and start of rock fill in sluicepipe area of forebay dam.
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Portal Powerhouse - Forebay - View from right abutment showing site preparation for downstream rock fill portion of the dam.
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Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - Progress picture forebay dam. View from right abutment looking toward left abutment.
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