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Names
- Bentley Historical Library4
- East Michigan Environmental Action Council.2
- Ecology Center of Ann Arbor.2
- Michigan Environmental Council.2
- Bentley Historical Library (collector)1
- Bentley Historical Library.1
- Dempsey, Dave, 1957-1
- Environmental Fund (U.S.)1
- Environmental Justice HistoryLab (University of Michigan)1
- Federation for American Immigration Reform.1
- Friends of the Jordan River Watershed.1
- Huron River Watershed Council.1
- Lassiter, Matthew D., 1970-1
- Little Traverse Conservancy.1
- Michigan Audubon Society.1
- Michigan Garden Clubs.1
- Michigan Land Use Institute.1
- Michigan Natural Areas Council.1
- Michigan Nature Association.1
- Michigan United Conservation Clubs.1