Date: | |
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Description: | Unidentified explorer standing in field of snow with the Horlick Mountains of Antarctica in the background. The Horlick Mountains were named by Admiral Ric... |
Date: | 1927 |
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Description: | Sigurd Olson, left, traveling by dogsled with game hunter Uiho Salminen as part of his study of predator control for his master's degree. |
Date: | 02 1977 |
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Description: | A man is kneeling on the ice and snow at Potter's Lake. He is running a machine that is testing the oxygen levels in the water, while recording the results... |
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