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File name:		 05-13
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Title: POOLS AND RIFFLES
Caption: Well-developed pool-riffle sequence in Sims Creek near Blowing Rock, North Carolina. Deep pools lie under the smooth, reflective water surface in the center and lower right; shallow riffles lie under the rough, nonreflective water in the far distance and left foreground. (Edward A. Keller)
Keywords: streams, rivers, water, velocity, velocities, streamflow