Visual Materials
Group photo of tunnel crew in mouth of Big Creek 4's power tunnel
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Tunnel mucker dumping load at mouth of Big Creek 4's powertunnel
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Big Creek 4 construction work: closer shot of bridge structure and mouth of power tunnel. Tunnel mucker is dumping a load of tailings into dump truck at mouth of tunnel
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Big Creek 4 construction work: looking across bridge structure where power tunnel crosses a small stream
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