Here's the NCAA story on the Frozen Four.
Note that Boston College is the Eagles, Maine is the Black Bears and Wisconsin is the Badgers. UND is North Dakota.
Ironically, this Web page opens with a Pontiac ad at the top featuring the company's arrowhead logo. Also ironic is the fact that while "Sioux" is derived from a French word, "Dakota" is an Indian word, and so is "Pontiac."
Obviously, the hypocrisy of it all is lost on Myles Brand and Walter Harrison.