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P1010026 | by Penn State Dept. of Energy and Mineral Engineering

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Penn State Dept. of Energy and Mineral Engineering

Penn State Dept. of Energy and Mineral Engineering

P1010026

Keynote address by Colin Marshall, Cloud Peak Energy CEO

294 views

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Uploaded on May 24, 2011

Taken on May 11, 2011

Penn State Dept. of Energy and Mineral Engineering By: Penn State Dept. of Energy and Mineral Engineering

P1010026

Keynote address by Colin Marshall, Cloud Peak Energy CEO

294 views

0 faves

0 comments

Uploaded on May 24, 2011

Taken on May 11, 2011

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Connecting people through photography.