Visual Materials
Big Creek, Vermilion Dam
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Big Creek, Vermilion Dam
Visual Materials
Big Creek, Vermilion Dam - Aux[iliary] Drain #2. Placing gravel over 8" [perforated] pipe.
photCL SCE 02 - 44571

Big Creek, Vermilion Dam - Auxiliary Drain #2
Visual Materials
Big Creek, Vermilion Dam - Auxiliary Drain #2. - Drain pipe completely installed. Cobble and gravel filter around perforated section.
photCL SCE 02 - 44580

Portal Powerhouse
Visual Materials
Portal Powerhouse - Forebay - Excavating trench thru damp area in original ground downstream from relief hole R-24, for installation of perforated pipe drain.
photCL SCE 02 - 43701

Big Creek, Vermilion Dam
Visual Materials
Big Creek, Vermilion Dam - Aux[iliary] Drain #2. Due to rapid sealing up of gravel & sand cover around 1st section of pipe.
photCL SCE 02 - 44577

Big Creek, Vermilion Dam
Visual Materials
Big Creek, Vermilion Dam - Section of perforated drain with lateral connection to relief hole R-16a.
photCL SCE 02 - 44850

Vermilion Dam
Visual Materials
Vermilion Dam - Distributing cobbles around perforated pipe in lateral [french drain]
photCL SCE 02 - 44620