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Subjects
- Geology.2
- Paleontology.[remove]2
- Botany.1
- Dwellings -- Michigan -- Ann Arbor.1
- Education -- United States.1
- Evolution -- Religious aspects.1
- Fossils.1
- Geology -- Michigan -- Maps.1
- Geology -- Michigan.1
- Geology -- Minnesota -- Maps.1
- Geology -- United States.1
- Human beings -- Origin.1
- Meteorology.1
- Natural history.1
- Religion and science.1
- Scientific expeditions -- United States.1
- Sunday school teachers -- Michigan.1
- Voyages and travels.1
- Weather -- Michigan.1