Visual Materials

Big Creek Powerhouse #3 - Tunnel #3 outlet portal

Description: Big Creek Powerhouse #3 - Tunnel #3 outlet portal - excavation for manifold - Camp 37 in background.
Type: Visual Materials(Opens in new tab)
Date: 2/20/1923
Call number: photCL SCE 02 - 08559
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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Big Creek: Tunnels
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Tunnels 1, 3, and 8, including intake construction at Tunnel 3, portal adit Camp 36, Camp 35 adit, outlet portal, Penstock 3 portal structure and manifold, surge chamber, drill sharpeners, connecting 18' penstock to manifold, butterfly valve house, flume to sluicing water at outlet, guests standing in 18' penstock, sluicing tunnel; Stevenson Creek, Camps 33, 34, 35, 36, 37 and 38 compressors, Camp 38 mess hall, Camp 33; Cascada - Baldwin 15 ton locomotive No. 4; Tunnel 8 construction, Adit 1; Intake at Dam 1 repairs.
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