This is just reprehensible [link via Radical Indian.]
Please, register your disgust by contacting Tim Hortons' corporate headquarters at the following:
874 Sinclair Road
Oakville, ON L6K 2Y1
Tel: (905) 845-6511
Fax: (905) 845-0265
EDIT: Human Right for All: No Exceptions - The Human Rights of Indigenous Peoples. Directed to this page by an A.I. link on the Radical Indian's blog.