OPEN TODAY: 10 A.M.–5 P.M.

Visual Materials

Portal Powerhouse

Description: Portal Powerhouse - Upper end of tailrace channel before start of diversion from Florence Lake.
Type: Visual Materials(Opens in new tab)
Date: 10/19/1955
Call number: photCL SCE 02 - 43803
Find out more: View in the Huntington Digital Library(Opens in new tab); View in the Library catalog(Opens in new tab)

You might also be interested in

Portal Powerhouse
Visual Materials
Portal Powerhouse - Deepening tailrace channel near powerhouse before end of outage and start of diversion thru by-pass.
photCL SCE 02 - 43801
Portal Powerhouse
Visual Materials
Portal Powerhouse - Record pictures of tailrace channel during outage: Upper end of channel and lower end of tunnel diversion channel used during 1955.
photCL SCE 02 - 43798
Portal Powerhouse
Visual Materials
Portal Powerhouse - Powerhouse before start of tunnel diversion from Florence Lake after outage of Oct. 18.
photCL SCE 02 - 43802
Portal Powerhouse
Visual Materials
Portal Powerhouse - Start of tailrace excavation at lower end. View taken thru channel span of State Hwy. Bridge.
photCL SCE 02 - 43569
Portal Powerhouse
Visual Materials
Portal Powerhouse - 400 cfs flow from side channel spillway entering tailrace from new diversion.
photCL SCE 02 - 43961
Portal Powerhouse
Visual Materials
Portal Powerhouse - Starting to fill Potter Creek temporary diversion channel after returning tunnel flow to permanent tailrace.
photCL SCE 02 - 43686