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Subjects
- Environmental protection -- Michigan.[remove]13
- Conservation of natural resources -- Michigan.8
- Governors -- Michigan.3
- Citizens' associations -- Michigan.2
- Elections -- Michigan -- 1968.2
- Land use -- Michigan.2
- Nuclear power plants -- Environmental aspects -- Michigan.2
- Refuse and refuse disposal -- Michigan.2
- Water -- Michigan.2
- Water.2
- Activists.1
- Afro-Americans -- Arts and crafts.1
- Afro-Americans -- Michigan -- Detroit.1
- Afro-Americans -- Michigan.1
- Animals -- Michigan.1
- Antinuclear movement -- Michigan.1
- Apportionment (Election law) -- Michigan.1
- Art.1
- Arts.1
- Atomic power.1