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Visual Materials

Portal Powerhouse

Description: Portal Powerhouse - First concrete in powerhouse being placed in pump sump.
Type: Visual Materials(Opens in new tab)
Date: 8/16/1955
Call number: photCL SCE 02 - 43551
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
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Portal Powerhouse - Last concrete being placed for season in expansion joint housing.
photCL SCE 02 - 43780
Portal Powerhouse
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Portal Powerhouse - Forms being erected for substructure concrete at powerhouse.
photCL SCE 02 - 43624
Portal Powerhouse
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Portal Powerhouse - First concrete around draft tube.
photCL SCE 02 - 43708
Portal Powerhouse
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Portal Powerhouse - First concrete around draft tube.
photCL SCE 02 - 43709
Portal Powerhouse
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Portal Powerhouse - Setting pump for the first pumping of pool at end of 12' diameter pipe.
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Portal Powerhouse - Portal Forebay
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Portal Powerhouse - Portal Forebay - Bottom of vertical shaft in adit, shows upper portion of concrete bulkhead in adit.
photCL SCE 02 - 43790