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Geoff York, a USGS biologist, collecting data from a polar bear (Ursus maritimus) on the Beaufort Sea ice. Using a block and tackle to take weight measurments. Kaktovik, Alaska.

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Filename: D123726.jpg
Image Size: 465x700 / 120.2KB; www.naturalexposures.com; Alaska Arctic Beaufort Sea Cabela's Horizontal Katovik PBI Polar Bear Research Ursus Maritimus Wildlife Research people science scientific research vertical
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Geoff York, a USGS biologist, collecting data from a polar bear (Ursus maritimus) on the Beaufort Sea ice. Using a block and tackle to take weight measurments. Kaktovik, Alaska.