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Subjects
- Conservation of natural resources -- Michigan.[remove]2
- Agriculture -- Michigan.1
- Antislavery movements -- United States.1
- Business enterprises -- Michigan -- Saginaw.1
- Dwellings.1
- Environmental protection -- Michigan -- Clare County.1
- Environmental protection -- Michigan.1
- Forests and forestry -- Michigan.1
- Green movement -- Michigan.1
- Gypsy moth -- Control -- Environmental aspects -- Michigan.1
- Gypsy moth -- Control -- Michigan.1
- Hazardous waste -- Environmental aspects -- Michigan.1
- Land use -- Michigan.1
- Logging -- Michigan.1
- Lumber industry.1
- Lumbering -- Michigan.1
- Medicine -- Michigan.1
- Pesticides policy -- Michigan.1
- Water quality -- Michigan.1
- Wetland conservation -- Michigan.1