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- Michigan Environmental Council records, 1925-2012 (majority within 1980-2005)✖[remove]1,582
- Conservation of material resources -- Michigan.1
- Conservation of natural resources -- Michigan.1
- Energy conservation -- Michigan.1
- Environmental protection -- Michigan.1
- Groundwater -- Pollution -- Michigan.1
- Hazardous wastes -- Michigan.1
- Land use -- Michigan.1
- Mines and mineral resources -- Michigan.1
- Pesticides -- Government policy -- Michigan.1
- Refuse and refuse disposal -- Michigan.1