In the Field with CCME

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  Traversing Sperry Glacier basin.

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  Weather station.

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  Snow pit studies.

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  Temporary weather station on Sperry Glacier

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  Snow pit near Granite Park Chalet.

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  Snow samples collected annually for analysis.

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  Weaselcollar Glacier repeat photo.

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  Taking a snow sample.

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  Mass balance research (2).

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  Mass balance research (1).

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  Marking GPS locations (2).

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  Marking GPS locations.

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  Dan Fagre

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  USGS researcher Lisa McKeon at Grinnell Glacier

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  USGS researcher Lindsey Bengtson at Sperry Glacier

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  USGS field crew skis to Swiftcurrent Glacier

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  USGS researchers Blase Reardon and Lindsey Bengtson at Swiftcurrent Glacier

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  USGS researcher Chris Miller on Sperry Glacier

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  USGS researcher Lindsey Bengtson mapping Grinnell Glacier.

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  CMME field crew at Grinnell Glacier.