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Subjects
- Geology -- Michigan.2
- Evolution -- Religious aspects.1
- Expeditions and surveys.1
- Fishes -- Michigan.1
- Fishing -- Michigan.1
- Geology -- Michigan -- Maps.1
- Geology -- Minnesota -- Maps.1
- Geology -- Wisconsin -- Maps.1
- Indians of North America -- Michigan.1
- Indians of South America.1
- Land use -- Michigan.1
- Mines and mineral resources -- Michigan.1
- Naturalists -- Religious life -- Michigan -- Ann Arbor.1
- Philosophy.1
- Salt industry and trade -- Michigan.1
- Scientific expeditions.1
- Surveyors -- Michigan.1
- Travelers.1
- Voyages and travels.1
- Zoology.1