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Creator
- Bentley Historical Library (collector)2
- Bulkley, Jonathan W.1
- Cary, William M.1
- Citizens for Alternatives to Chemical Contamination.1
- Don't Waste Michigan.1
- East Michigan Environmental Action Council.1
- Engler, John, 1948-1
- League of Women Voters of Michigan.1
- Michigan Citizens Against Toxic Substances.1
- Michigan Environmental Council.1
- Michigan Land Use Institute.1
- Michigan Natural Areas Council.1
- Michigan Nature Association.1
- Michigan United Conservation Clubs.1
- Mill Creek Research Council, inc.1
- Milliken, Helen (Helen Wallbank)1
- Pollack, Lana, 1942-1
- Romney, George W., 1907-1
- Sax, Joseph L.1
- Sheppard, Glen, 1936-1