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  View to south into Filter No. 7 after CDF placement
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  View to south into Filter No. 7 after CDF placement
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  View of Quad C from the NW corner
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  View of Quad C from the SW corner

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  View of Filter No. 1 (wall pour #4) from the SW corner
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  Panoramic view from east to north at riprap channel inlet (1 of 3)
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  Panoramic view from east to north at riprap channel inlet (2 of 3)
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  Panoramic view from east to north at riprap channel inlet (3 of 3)

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  View at the top of the riprap channel
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  View of riprap channel inlet
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  Upper rebar for Filter No. 1 east wall
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  Blankets used to heat wall pour #4 overnight

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  Ground source heat coils used to heat wall pour #4 forms overnight
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  Upper rebar for Filter No. 1 west wall
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  North wall of the south filters in Quad C
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  Stresscon rebar set up area

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  Wall pour #4 in progress
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  East riprap channel
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  South wall of Filter No. 6 at bottom of wall after CDF placement inside filter
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  Looking at the finish on the south wall of Filter No. 1 and the east half of Filter No. 2 (wall pour #1)

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  View of south filters from the SW corner
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  Looking at the finish on the west wall of Filter No. 1
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  View of interior wall pour in Filter No. 7
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  View of construction from the SW corner of excavation

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  View of the drainage swale on the west end of the 3:1 slope excavation
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  Ground thaw heaters for Filter No. 5 upper slab pour
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  View of hydrophilic waterstop for Filter No. 5 upper slab pour
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  View of hydrophilic waterstop for Filter No. 5 upper slab pour