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Visual Materials

Portal Powerhouse

Description: Portal Powerhouse - Blasting of large boulders.
Type: Visual Materials(Opens in new tab)
Date: 8/11/1955
Call number: photCL SCE 02 - 43642
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
Visual Materials
Portal Powerhouse - View to highway bridge with tailrace channel excavation readying large boulders for blasting.
photCL SCE 02 - 43640
Portal Powerhouse
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Portal Powerhouse - Breaking up large boulders in pool at end of 12' diameter pipe.
photCL SCE 02 - 43325
Portal Powerhouse
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Portal Powerhouse - Tailrace channel excavation view from highway bridge. Boulders ready for shooting.
photCL SCE 02 - 43641
Powerhouse #8
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Powerhouse #8 - Boulders in spillway being drilled for blasting
photCL SCE 02 - 06838
Powerhouse #8
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Powerhouse #8 - Boulders in spillway being drilled for blasting
photCL SCE 02 - 06839
Portal Powerhouse
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Portal Powerhouse - North showing large Barronca eroded above tunnel adit.
photCL SCE 02 - 43952