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Subjects
- Expeditions and surveys.[remove]7
- Eskimos.2
- Indians of North America.2
- Scientific expeditions.2
- Zoology.2
- Anthropology.1
- Archaeological sites -- Yucatán Peninsula.1
- Archaeology.1
- Birds.1
- Boats -- Indochina.1
- Boats.1
- Botanists -- Michigan -- Ann Arbor.1
- Botany.1
- Camping.1
- Copper mining.1
- Dogsleds.1
- Evolution -- Religious aspects.1
- Geology -- Arctic regions.1
- Glaciers -- Climatic factors.1
- Glaciers -- Greenland.1