Oh my, I cannot believe I missed this thread!
mu_agd-
I'm not aware if the document is still hanging in the Miami Inn, I will have to check.
When I was a freshman, members of the Miami Tribe/Nation spoke at my residence hall. They basically said that while Miami University's mascot was established on a friendly basis, they supported its removal to set a precedent for other schools that have such mascots.
Sorry for the slight hijack