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Visual Materials

Portal Powerhouse - Forebay

Description: Portal Powerhouse - Forebay - Placing earthfill in dike foundation.
Type: Visual Materials(Opens in new tab)
Date: 8/10/1955
Call number: photCL SCE 02 - 43617
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 - Scraper placing earth in dike.
photCL SCE 02 - 43618
Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - Progress picture placing fill in dike embankment.
photCL SCE 02 - 43550
Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - Placing first fill in impervious section under location of sluice pipe. Note dozer pushing layer of saturated & disturbed surface material, exposing firm foundation, before fill placement.
photCL SCE 02 - 43315
Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - View from dam west abutment showing embankment material in place, reservoir area & blanketing in vicintiy of dike.
photCL SCE 02 - 43626
Portal Powerhouse - Forebay
Visual Materials
Portal Powerhouse - Forebay - View from dam west abutment showing embankment material in place, reservoir area & blanketing in vicintiy of dike.
photCL SCE 02 - 43627
Portal Powerhouse - Forebay
Visual Materials
Portal Powerhouse - Forebay - Placing earthfill upstream from sluice pipe.
photCL SCE 02 - 43596