Detailed text transcripts for TV channel - KGO - 20120719:10:04:00
And the mississippi river isn't nearly as mighty as it should be. >> this seems to me we're starting to get a little thin here. >> very thin. >> reporter: george level runs a tow boat company in memphis. his crews navigate massive barges through these increasingly narrow channels dotted with dry docks. one of his men shot this picture of an island that appeared right in front of his boat. >> we lose another couple of feet, we'll be in bad shape. >> watch when our captain hit a shallow spot. nothing but thick, dark mud spewing from the back of the boat. the river is more than 17 feet below norm...
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