First, avoid using all caps. It makes the information harder to understand and it is rude, like SHOUTING.
Since this is not my area of expertise, I searched Google under the key words "'First nation tribes' washington state history" to get these possible sources:
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In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.
I hope this helps. If not try our own searches with other key words. Thanks for asking.