Engineers (Hayes) taking measurements inside Big Creek 4's powertunnel

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  Construction work at mouth of Big Creek 4's powertunnel. Hayes and friend are by dusty tunnel mouth with rubble

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  Jackhammer work at mouth of Big Creek 4's powertunnel

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  Jackhammer work at mouth of Big Creek 4's powertunnel. Dust in tunnel looks like a blast just occurred.

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  Tunnel mucker dumping load at mouth of Big Creek 4's powertunnel

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  Three men by pile of rubble at mouth of Big Creek 4's powertunnel

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  Big Creek 4 construction work: taking explosives into tunnel

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  Big Creek 4 construction work: taking explosives into tunnel.

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  Big Creek, Herminghaus Ranch - Herminghaus Estate

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