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1 American Institute of Mining & Metallurgical Engineers--Conference -Shot 121940-09Image/StillImage
2 American Institute of Mining & Metallurgical Engineers--Conference -Shot 171940-09Image/StillImage
3 American Institute of Mining & Metallurgical Engineers--Conference -Shot 211940-09Image/StillImage
4 American Institute of Mining & Metallurgical Engineers--Conference -Shot 251940-09Image/StillImage
5 American Institute of Mining & Metallurgical Engineers--Conference -Shot 31940-09Image/StillImage
6 American Institute of Mining & Metallurgical Engineers--Conference -Shot 71940-09Image/StillImage
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