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100517_6744

Tad Pfeffer (University of Colorado) checks the aviation radio, in communication with the support helicopter, while Ian Howat and graduate student Julie Markus (Ohio State University) prepare roving GPS units to be deployed on the glacier surface to record the dynamic motion of the Columbia Glacier, Alaska.

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Filename: 100517_6744.JPG
Copyright: Ethan Welty
Image Size: 1000x667 / 288.5KB; www.weltyphotography.com; North America USA Alaska Columbia Glacier color image horizontal outdoors day three people adult young adult man woman scientist science glaciology glacier research equipment field work
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Tad Pfeffer (University of Colorado) checks the aviation radio, in communication with the support helicopter, while Ian Howat and graduate student Julie Markus (Ohio State University) prepare roving GPS units to be deployed on the glacier surface to record the dynamic motion of the Columbia Glacier, Alaska.