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Title
Portal Powerhouse
Date Created and/or Issued
1956-09
Contributing Institution
Huntington Library
Collection
Southern California Edison Photographs and Negatives
Rights Information
For information on using Huntington Library materials, please see Reproductions of Huntington Library Holdings: https://www.huntington.org/library-rights-permissions
Description
Portal Powerhouse - Excavating rock shot out of 15' plug. Left remaining at bottom of surge chamber shaft until after tunnel outage. D-4 [?] in tunnel loading into skip operated by Bay Cities Crane at top of shaft.
Type
image
Format
image/jpeg
Extent
Safety Film ; 4x5
Identifier
02 - 44804
237705
http://hdl.huntington.org/cdm/ref/collection/p16003coll2/id/46628
Subject
Hydroelectric power
Tunnels
Construction
Place
Huntington Lake (Calif.)
Fresno County (Calif.)
Source
Southern California Edison Photographs and Negatives
G. Haven Bishop (SCE)
Southern California Edison Photographs and Negatives, Huntington Digital Library

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