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A boat on The Colorado River in front of the mist from the four open jet tubes at the Glen Canyon Dam in Arizona, to increase the flow on the river on Wednesday, March 5, 2008. The Glen Canyon Dam's jet tubes were opened to conduct a high-flow experiment

A boat on The Colorado River in front of the mist from the four open jet tubes at the Glen Canyon Dam in Arizona, to increase the flow on the river on Wednesday, March 5, 2008.  The Glen Canyon Dam's jet tubes were opened to conduct a high-flow experiment