Looking for Readers (Native American and Spokane, WA)

I'm pretty close to querying my novel now, but there's one more stage first: trying to get some cultural critiques. I've put a copy below of the call I put out. If you're able to help, you can reply here or email me (polly@polenthblake.com).

The Details...

I'm looking for some readers able to offer a cultural critique of my urban fantasy (approximately 70K). It's a murder mystery set in Spokane, told from the point-of-view of a bigfoot and a Spokane man. The groups of readers I'm looking for are:

• Native Americans. Though many of the characters are Spokane, I'm interested in perspectives from other tribes too.
• People who live in Spokane, Washington or one of the nearby towns.

Though someone who fits in both groups would be awesome, I'm imagining most people will be one or the other. I'm literally just asking for a critique of the cultural stuff - things that are inaccurate, offensive and so forth. I'm not looking for feedback on grammar, storytelling, etc.

In return, I can beta something for you (where betaing is defined as a single pass through a completed manuscript). My main genres are science fiction, fantasy and children's, though I will beta other genres. I offer general comments, rather than line-by-line critiques.