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- Grand River Conservation Authority fonds., 3 results
- Alida and George Burrett fonds., 2 results
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- Lydia Dotto fonds., 2 results
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- Grand River Conservation Authority, 3 results
- Walter Bean Grand River Community Trails Foundation, 2 results
- Muskoka Lakes Association, 2 results
- Burrett, Alida and George, 2 results
- Canadian Coalition on Acid Rain, 2 results
- Dotto, Lydia, 2 results
- Architectural Conservancy of Ontario : North Waterloo Region Branch, 1 results
- Grand River Conservation Commission, 1 results
- Patterson, John, 1 results
- Detwiler, John D., 1 results
