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Subjects
- Animals -- Michigan.1
- Birds -- Michigan.1
- Conservation of natural resources -- Michigan.2
- Diversification in industry -- Michigan.1
- Environmental legislation -- United States.1
- Environmental protection -- Michigan.1
- Financial crises -- United States.1
- Fisheries -- Michigan.1
- Fishing -- Michigan.1
- Governors -- Michigan.1
- Hunting -- Michigan.1
- Landscape photographs.1
- Natural parks and reserves -- Michigan.1
- Northern Woods Call.1
- Pollution -- Michigan.1
- Renewable energy sources -- Michigan.1
- State parks and reserves -- Michigan.1