PHOTO GALLERY: Efforts to deepen Mississippi River continue

January 7, 2013 | 4:30 p.m. CST
Cranes are used to pull a rock out of the Mississippi River as part of efforts to deepen the waterway on Monday. The work is being completed just outside of Thebes, Ill. The rock-clearing effort is considered vital in ensuring that stretch of river remains open to barge traffic.

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